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76-537: Shadow Hills is in the northwestern Verdugo Mountains , near the western end of the Crescenta Valley . It is north of the city of Burbank and southeast of the Hansen Dam Reservoir. It is adjacent to the communities of Lake View Terrace to the north, Sunland and Tujunga to the east, Sun Valley to the south, and Pacoima to the west. The area is primarily equestrian zoned , one of

152-483: A Pacific Electric car directly to the summit, but Henry E. Huntington did not approve of this scheme. The railway was to have four or five stations along the incline and a large visitor's center at the summit. Several months after the initial proposal, the route was altered to run up the west side of Verdugo Canyon from a hoped-for extension of the Pacific Electric up Verdugo Canyon to Montrose. Interest in

228-463: A compromise which would not work "undue hardship." The area became known as "Dad's Canyon," which the city claimed was illegal because adequate police, fire, and sanitation could not be provided. In 1966, the Valley Times reported that "The 'town' – such as it is – includes one market , a hitching post and a beauty parlor ." Agitation to rename the area began in 1947 with a mass meeting in

304-453: A fire frequency at a given site of no shorter than several decades, or perhaps longer, although there is variability in the tolerance of different species. Repeated shorter intervals between fires promote so-called "type conversion", in which the shrubby species are replaced by grasses, particularly non-native grasses, and other weedy species. The Verdugo Mountains have been subject to repeated wildfires in historical times. Major occurrences in

380-578: A freeway bridge were built over the Tujunga Wash . A Hansen Heights school district was formed in 1912, with M.W. Fuhrman as one of the trustees and E.D. Lamb as clerk . By 1931, Hansen Heights School had become a part of the Los Angeles City school system. In June of that year it was announced that Hansen Heights stood "highest of any high or elementary school in the city of Los Angeles in thrift " because every child "has an account in

456-549: A new post office, but the local address for 1,500 residents was changed from Roscoe to Sunland for properties between Johanna Street and Stonehurst Avenue. In the 1960s a section of the Foothill Freeway was mapped from Sunland southwest through Lakeview Terrace to Van Nuys Boulevard . The Shadow Hills Property Owners Association fought against the freeway mainly because its members, mostly horse enthusiasts, feared their rural environment would be spoiled, particularly if

532-409: A particular fire regime , which is characterized by intensity and seasonality, but most importantly, by the frequency of fires. In the southern California chaparral, natural frequencies of 30 to 40 years are typical, with some areas going as long as 100 years without fires and others burning more frequently. It has been estimated the chaparral plant community can persist over the long term only with

608-547: A planned settlement at $ 150 an acre in 1907. Its first publicity was an article in The Los Angeles Record which announced a "public land meeting" in the Los Angeles Chamber of Commerce Building "with Stereoptican Pictures." Further promotional "illustrated lectures" about these "little farms" were held nightly. In 1927, "Butterfly Gardens" was a six-acre plot "in the hills a little way off

684-790: A power line downed by high winds, burned from the northern edge of the range southward over to crest to consume homes in Glendale. A fire in November, 1980, also called the La Tuna Canyon Fire, burned 10,000 acres (4,000 ha) in the northern and western portions of the range. Since 2000, three major fires have occurred in the Verdugo Mountains. In September, 2002, the Mountain Fire burned over two days approximately 750 acres (300 ha) above Glendale, largely on

760-684: A result, the northbound section through Pasadena was not fully opened until 1974. The last section in the San Fernando Valley to be completed was between Highway 118 in Lake View Terrace , and Lowell Avenue in La Crescenta. While this section was largely completed by 1976, the portion between Sunland Boulevard and Wheatland Avenue (traversing the Tujunga Wash) was not fully completed until 1981. From 1976 to 1980,

836-464: A sharp left curve at Riverside Avenue, crossing over the freeway and becoming Highland Avenue again. From here, it leaves Rialto and goes into San Bernardino . It crosses under SR 210, I-215, and SR 259 before entering the city of Highland . In Highland, the original SR 30 crosses under the 210 one last time and ends as it crosses over SR 330. Some maps still show part of this route as SR 30. State Route 30 ( SR 30 )

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912-657: A small, rugged mountain range of the Transverse Ranges system in Los Angeles County, California . Located just south of the western San Gabriel Mountains , the Verdugo Mountains region incorporates the cities of Burbank , Glendale , Pasadena , and La Cañada Flintridge ; the unincorporated communities of Altadena and La Crescenta-Montrose ; as well as the City of Los Angeles neighborhood of Sunland-Tujunga . Surrounded entirely by urban development,

988-1042: Is given at some point in the future to resign the entirety of Route 210 as an Interstate, I-210 will once again connect to its parent route, but much farther east in Redlands. The western freeway segment, planned since the 1970s and completed in 2002, replaced a western surface street segment that began with Base Line Road (sometimes spelled Baseline Road) at its intersection with Foothill Boulevard in La Verne and extended eastward into Upland . In Upland, it became 16th Street, then turned northward onto Mountain Avenue, then turned eastward onto 19th Street. It left Upland and continued eastward into Rancho Cucamonga . After Haven Avenue in Rancho Cucamonga, 19th Street curves north, and becomes Highland Avenue, which still exists in some areas although in pieces due to

1064-645: Is now the Verdugo Hills Golf Course. The Verdugo Mountains were named for Jose Maria Verdugo , holder of the Rancho San Rafael land grant , which covered the mountains during California's Spanish and Mexican periods . On October 20, 1784 Pedro Fages , the military governor of Alta California , granted Jose Maria Verdugo permission to use the rancho, known officially by the name San Rafael but informally called "La Zanja" by Verdugo. The rancho's boundaries were primarily defined by

1140-671: Is the former alignment of SR 30. This segment extends eastward to junctions with I-215, SR 259 , SR 18 , and SR 330 in Highland . SR 210 then curves southward and ends in a junction with I-10 in Redlands . Route 210 is part of the California Freeway and Expressway System , and is part of the National Highway System , a network of highways that are considered important to

1216-690: Is the former colloquial name for the interchange between what is now SR 57 and the Foothill Freeway, I-210. The "curve" refers to the I-210 freeway as it turned south in an almost 90 degree angle in the city of Glendora . Prior to 2002, this "curve" was entirely part of I-210, as it continued south to its former eastern terminus at the Kellogg Interchange at the junctions of the Chino Valley Freeway, SR 71 ,

1292-690: The Los Angeles County Fire Department began a county-wide program of building fire breaks (or more properly, fuel breaks ) to slow the spread of fire, and by 1923 the initial breaks had been constructed in the Verdugos. In 1934, the City of Glendale built a 60-foot lookout tower on Verdugo Peak, which was staffed with an observer until it closed in the mid-1950s. In order to conduct the work necessary to build fire breaks and roads, temporary construction camps were located throughout

1368-609: The San Fernando Valley ; at their southeastern end the Verdugo Mountains are separated from the San Rafael Hills by the Verdugo Wash . The highest summit is the informally named Verdugo Peak (3,126 feet (953 m)), located near the center of the range and rising to approximately 2,200 feet (670 m) above its southern base. Other peaks include Tongva Peak (2,656 feet ), recently named in honor of

1444-539: The Tongva (Gabrielino) people, the original inhabitants of much of the Los Angeles Basin , Santa Monica Mountains , and San Gabriel Valley areas. Other informally named peaks are Mount La Tuna on the north end and Mount Thom on the south end of the range. With the exception of Mount La Tuna, all these summits, as well as several others, are occupied by communications towers. The Verdugo Mountains lie within

1520-744: The chaparral plant community, as defined by Munz and later authors, including Sawyer et al. This dense, shrub-dominated community of the California chaparral and woodlands is more highly developed on the north-facing slopes than on the drier, hotter south-facing slopes. Among the shrub species that characterize this community, prominent in the Verdugos are laurel sumac ( Malosma laurina ), toyon ( Heteromeles arbutifolia ), poison oak ( Toxicodendron diversilobum ), chamise ( Adenostoma fasciculatum ) and two species of California-lilac ( Ceanothus crassifolius and Ceanothus oliganthus ). Native trees are restricted to protected canyons, especially on

1596-625: The median strip of I-210 from Pasadena to Arcadia , serving three stations at Lake , Allen , and Sierra Madre Villa . SR 210 presently has two distinct segments. The western segment consists of newer freeway, beginning at the east end of I-210 near San Dimas . SR 210 extends eastward, eventually paralleling Highland Avenue, as it continues through Fontana . It intersects I-15 , an artery between Southern California and Nevada , about 10 miles (16 km) before it meets with I-215 in San Bernardino . The segment east of I-215

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1672-529: The 1955 La Tuna Canyon fire, however, indicates that at least some of these roads were in place by that date. The Verdugo Mountains are being considered as part of the proposed Rim of the Valley Corridor National Park . Other than the Foothill Freeway (I-210) and the nearly parallel La Tuna Canyon Road, both of which traverse only the northwestern tip of the range, the Verdugo Mountains are crossed by no paved roads. By contrast,

1748-770: The Arroyo Seco near Devil's Gate Dam to Canada Avenue in Pasadena , was opened in 1966; it was then signed as SR 118 . This section was bypassed by the next stage of construction. The section going northwest from Pasadena through La Canada Flintridge to the junction with I-5 in Sylmar was built in several stages between 1971 and 1977. The first section to open was between Ocean View Boulevard and Lowell Avenue in La Crescenta , in July ;1972, followed in November by

1824-477: The Glendale Freeway and Angeles Crest Highway portions of SR 2 before turning due south towards the junction with SR 134 ) in Pasadena . At this interchange, the Foothill Freeway shifts its alignment and direction, becoming an east–west freeway. From the north, the primary through lanes of I-210 become the unsigned northern stub of unfinished I-710 , while from the east, the through lanes of

1900-621: The Los Angeles basin. Uplift along the Verdugo fault may total approximately 2.5 km (1.6 mi), at a minimum rate of 1.1 km (0.68 mi) per million years since 2.3 million years ago, moving the crystalline rocks of the Verdugo Mountains up and over younger Tertiary and Quaternary sediments to the south. The Verdugo Mountains are, therefore, young and rapidly rising, reflected in their steep topography and rapid rates of erosion. The Verdugo Mountains lie almost entirely within

1976-564: The San Bernardino Freeway, I-10 , and SR 57. Once the I-210 was extended eastward from the Glendora Curve, the portion of I-210 south of the Glendora Curve was transferred to SR 57 and the name Glendora Curve fell out of popular use. Construction began on the Foothill Freeway in 1958. The first section, starting at the eastern end of Foothill Boulevard in what is now La Cañada Flintridge , and going across

2052-545: The Shadow Hills Rodeo grounds were situated "on Wheatland Avenue in the Hansen Heights District of Roscoe," in a "beautiful setting with the green trees standing like guards." The arena was at 9951 Wheatland Avenue, a parcel that in 2021 was occupied by a six-bedroom, four-bath house. During the area's development, some homes were built on hilltops, reachable only "by narrow roads chewed out of

2128-605: The Stonehurst School auditorium called by real estate broker John F. Willey "to discuss the possibility of securing a new post office and delivery district" for Shadow Hills. A second rally featured a song called "Shadow Hills" by Starr von Fluss. Dorothy Neely, secretary-manager of the Roscoe Chamber of Commerce said that "Shadow Hills people don't like the name of Roscoe," they with others objecting to it as "unimaginative, not euphonious , and not descriptive of

2204-753: The Ventura Freeway become I-210 as the Ventura Freeway reaches its official eastern terminus. After intersecting the northern terminus of I-605 , I-210 then continues east to SR 57 in Glendora . Heading east from the SR ;57 interchange until its eastern terminus at I-10 in Redlands , Route 210 is signed as a state route. Portions of the Los Angeles County Metropolitan Transportation Authority 's (Metro) light rail A Line runs in

2280-503: The Verdugo Mountains represent an isolated wildlife island and are in large part under public ownership in the form of undeveloped parkland. The mountains are used primarily for recreation in the form of hiking and mountain biking, and as the site of communications installations on the highest peaks. The mountains arise directly from the eastern floor of the San Fernando Valley , exaggerating their height from some vantages. Beginning with foothills, they rapidly rise to rugged sections, with

2356-604: The Verdugo Mountains, the Arroyo Seco and the Los Angeles River , with the boundary following north along the east bank of the river and wrapping westerly around Griffith Park to a point near the Travel Town Museum in the park. One of the earliest attempts to access and develop the interior of the Verdugo Mountains was the 1912 proposal by Colonel Lewis Ginger to build a cable incline railroad to

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2432-547: The beginning of the Pliocene has been estimated to be on the order of 7 kilometers (4.3 mi). The Verdugo fault and Sierra Madre thrust are part of a complex system of faults that accommodate some of this shortening and generally become younger to the south, with the Verdugo Fault possibly being the youngest member of this system and forming the current boundary between this portion of the western Transverse Ranges and

2508-483: The cable railway continued for about a year, but the project was abandoned before a company could be formed, largely as the result of the Pacific Electric's decision not to build the Montrose extension. Fire is a natural component of the chaparral ecosystem, and the plants that comprise it are largely adapted to survive fire or to reproduce after it. More specifically, the members of this plant community are adapted to

2584-428: The corporate boundaries of the cities of Glendale , Burbank , and Los Angeles . The neighborhood of La Crescenta , most of which lies within Glendale, is adjacent to the range's northern end, as are the Los Angeles neighborhoods of Tujunga, Sunland , Shadow Hills , and Sun Valley (the last of which includes La Tuna Canyon). The Verdugo Mountains consist of an east-west-trending antiformal fault block , bounded on

2660-701: The country's economy, defense, and mobility by the Federal Highway Administration . Route 210 is eligible for the State Scenic Highway System , but it is not officially designated as a scenic highway by the California Department of Transportation (CalTrans). Route 210 from Route 5 to Route 10 in Redlands is known as the Foothill Freeway, as named by Senate Concurrent Resolution 29, Chapter 128 in 1991. The Glendora Curve

2736-480: The crest. Annual rainfall totals are highly variable from year to year, with the higher totals usually in El Nino years. Most of the rain falls between November and March during periodic frontal passages. The mountains were part of the indigenous Tongva people 's homelands for over 7,000 years, with villages at some springs in the canyons. The village of Wikangna was located in the area, possibly located at what

2812-557: The crossing of Waterman Avenue and Highland Avenue where old, sun-bleached signs were not taken down until 2023. The final phase of the Foothill Freeway project involved the completion of the interchange with I-215 (exit 74). When the Foothill Freeway mainline was completed in 2007, exit 74 had only four of its six ramps built, missing movements from SR 210 eastbound to I-215 southbound and from I-215 northbound to SR 210 westbound. The flyover plans for these moves had to be recast to address potential soil liquefaction in

2888-609: The crystalline basement rocks exposed to the north in that portion of the San Gabriel Mountains south of the San Gabriel Fault. These consist of gneiss , and gneissic diorite and quartz diorite , intruded by irregular bodies of equigranular granitic rocks, predominantly quartz diorite and granodiorite , with accompanying pegmatite and aplite . Exposed rocks in the Shadow Hills neighborhood at

2964-555: The eastern segment is signed as State Route 210 ( SR 210 ) to its eastern terminus at I-10 . Under the California Streets and Highways Code , the entire Foothill Freeway is legally referred to as Route 210 . The Foothill Freeway name is a reference to Foothill Boulevard and the San Gabriel Mountains , both of which the freeway runs parallel to for most of its length. The freeway follows

3040-446: The event of rupture of existing or undiscovered faults in the area during an earthquake; this project was separated from the main 210 project to avoid delaying the latter. Completion of exit 74 was also tied to the widening of I-215 in the area. The flyover from northbound I-215 to westbound SR 210 opened on December 22, 2011, while the eastbound SR 210 to southbound I-215 opened on July 23, 2012, thus completing

3116-531: The extreme northwestern end of the Verdugos are typically marine sedimentary rocks of Miocene age, predominantly sandstone and shale . The Verdugo Mountains are part of the western Transverse Ranges , which have risen in the last 7 million years as the result of contractional deformation resulting from transpressional motion and rotation of crustal blocks in the "Big Bend" region of the San Andreas Fault . The amount of crustal shortening since

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3192-492: The fire roads and, most notably, in the Fire Warden's Grove, established in the wake of a wildfire in 1927. Except for a tenuous link to the large wild area in the San Gabriel Mountains through Big Tujunga Wash at their northwestern end, the Verdugo Mountains are an urban wildlife island completely surrounded by development. Among the large mammals, coyote ( Canis latrans ) and mule deer ( Odocoileus hemionus ) are

3268-401: The fire-prone areas of the county. In the Verdugo Mountains, Construction Camp #2 was located in the lower reaches of Deer Canyon, at the end of present-day Beaudry Blvd, for a period during the late 1930s and early 1940s. It is difficult to determine from published sources the dates of construction for the fire roads so important to present-day recreational use of the mountains. The report of

3344-530: The foothills of these mountains, connecting the northeastern suburbs of Los Angeles with the Inland Empire . Historically, the Foothill Freeway spanned multiple numerical designations. Additionally, the I-210 designation has changed routings, previously including a portion of what is now the Orange Freeway (SR 57). East of Pasadena , the Foothill Freeway parallels, and in some parts replaced,

3420-497: The former I-215 / SR 30 interchange in San Bernardino . In 2003, a 20-mile (32 km) segment east from Glendora to Fontana was completed, with the portion proceeding south from Glendora renumbered SR 57. The remaining section east of I-15 between Fontana and I-215 was opened on July 24, 2007. Caltrans has petitioned the American Association of State Highway and Transportation Officials (AASHTO),

3496-522: The freeway just west of SR 330. Construction did not resume until 1989 which extended the freeway west to I-215. The last phase of construction started in 1992, which connected the route south to I-10. In 1968, the state requested that SR 30 be incorporated into the Interstate system, but was declined. The next effort started in 1998. The state decided to close the 25-mile (40 km) gap between I-210 and SR 30. It also decided to number

3572-485: The freeway overlapping onto Highland Avenue, such as the eastbound on and off ramps for Milliken Avenue. Highland Avenue deviates from the original SR 30 alignment at Etiwanda Avenue when it curves south and ends at East Avenue, the border of Rancho Cucamonga and Fontana. Highland Avenue starts again at Cherry Avenue, east of the I-15 and continues east, becoming W. Easton Avenue at Alder Avenue. Shortly afterwards, it makes

3648-491: The freeway passing through Arcadia . Construction of the freeway through Pasadena and Arcadia prompted the realignment and relocation of the railroad's mainline to the freeway's median, with the former mainline trackage between Sierra Bonita and Kinneloa avenues in Pasadena becoming an industrial spur accessed via an underpass below the freeway's eastbound lanes. The "Pasadena" section from SR 134 to Rosemead Boulevard

3724-405: The highest peaks topping 3,000'. The northwest-trending range is approximately 8 miles (13 km) long by 3.25 miles (5.23 km) wide, and roughly parallels the southern front of the San Gabriel Mountains at a distance of 1 mile (1.6 km) to 2 miles (3.2 km), with the Crescenta Valley lying between the two. The southern front of the range forms part of the northeastern boundary of

3800-409: The hillsides." In 1948, Los Angeles City Building and Safety Chief G.E. Morris raised ire when he ordered the property owners on Johanna Street south of Sunland Boulevard to "vacate and demolish" any structure because the roads were so narrow they could not be reached by fire engines. Boyd assured a deputation of angry owners and their families who visited him at Los Angeles City Hall that he would seek

3876-535: The interchange. Caltrans District 8, in cooperation with the cities of Highland and San Bernardino and the San Manuel Band of Mission Indians, is currently evaluating ways to improve mobility and connectivity to the freeway at and near the Highland Avenue interchange, including a proposal to construct a new interchange to the east at Victoria Avenue. The Fair Oaks Avenue South exit in Pasadena

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3952-657: The last remaining such neighborhoods within the City of Los Angeles. Shadow Hills is an acceptable city name for ZIP Code 91040, with Sunland the default city name assigned to 91040. As of the 2000 census, Shadow Hills had a population of 3,739 people. The racial breakdown was 79% Caucasian, 14% Latino, 3% Asian American, and 1% African American. In 2009, the Los Angeles Times ' s "Mapping L.A." project supplied these Shadow Hills neighborhood statistics: population: 13,098; median household income: $ 82,796. The community began as Hansen Heights when it opened for

4028-536: The location or the present-day development of the area." The name change was approved by a vote taken among the four hundred members of the Hansen Heights Improvement Association, who also decided to change the name of their organization to Shadow Hills Civic Association. The officers were Stanley M. Love, president; Norwood Simmons, vice president; Mrs. Lee Payne, treasurer, and Ronald King, secretary. Shadow Hills did not receive

4104-515: The main traveled road" owned by Mr. and Mrs. Albert Carter which were seeded to wildflowers in the expectation of attracting and "raising" butterflies . In the same year Frank Kenniston owned a grocery in Hansen Heights and also "one of the largest bee apiaries in this part of the country." Kenniston noted that Hansen Street was still unpaved and that owners of large tracts were unwilling to subdivide, "thus retarding development." In 1946

4180-482: The mainline freeway section was completed, which ended the existence of SR 30. State Route 30 Business ( SR 30 Bus. ) was a business route of SR 30 that existed from 1964 to 2007 along Highland Avenue from Rialto to Highland ; it serves the city centers of both cities. Its main purpose was to divert traffic from the Foothill Freeway and connect traffic from downtown Rialto to Downtown San Bernardino by street. This business route remained signed at

4256-496: The most common; mountain lions ( Puma concolor ) and black bears ( Ursus americanus ) have occasionally been reported. The many rodent species support a population of western rattlesnakes ( Crotalus viridis ). Of the numerous bird species present, the most characteristic of the chaparral here, and throughout California, is the small, seldom seen but often heard wrentit ( Chamaea fasciata ). With its call of three or four chirps followed by an accelerating trill, often likened to

4332-534: The new freeway as SR 210, in preparation of the route becoming an Interstate. Also, when the new freeway was close to the existing route, the entire route would be renumbered SR 210. In addition, the short section of the Orange Freeway, which was numbered I-210, would be renumbered SR 57 to match the number used for the rest of the freeway. Construction started on the eastern end from Foothill Boulevard (exit 47), and slowly moved east. In 2007,

4408-706: The overcrowded and virtually all-white Mount Gleason Junior High School in Sunland to the more diversified Maclay Junior High in Pacoima was opposed by the Shadow Hills Homeowners Association. The Los Angeles school board approved the boundary switch in a 4–3 vote on July 14, 1966. Shadow Hills is represented by: Verdugo Mountains The Verdugo Mountains , also known as the Verdugo Hills or simply The Verdugos , are

4484-411: The range contains more than 25 miles (40 km) of graded and well maintained fire roads that are used extensively by hikers and mountain bike riders. Several abandoned and overgrown fire roads and ridge-top fire breaks are used recreationally as well. Trails, in the sense of engineered and maintained footpaths, are few, the most notable being the 2.2 mile (3.5 km)-long La Tuna Canyon Trail, which

4560-593: The route of former U.S. Route 66 . The portion between I-5 and SR 259 in San Bernardino was up to Interstate Highway standards by 2007, but the eastern segment remains signed as a state route because the portion between SR 259 and I-10 had not met those standards. On February 26, 2020, construction in each direction took place to complete the standards required. The three-year project added lanes from Sterling Avenue in San Bernardino to San Bernardino Avenue in Redlands. Although construction

4636-633: The school savings bank." Evangeline Hymer was the principal . The school, at 9900 Wheatland Avenue, was declared surplus in 1945 and the property put up for sale. The Los Angeles Unified School District (LAUSD) today serves Shadow Hills. Not one LAUSD school is inside of Shadow Hills. Students must travel outside of Shadow Hills to Sun Valley for Stonehurst Elementary School, Maclay Middle School in Pacoima, and Verdugo Hills High School in Tujunga. A 1966 plan to require Shadow Hills students to switch from

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4712-470: The section between Berkshire Avenue and Ocean View in La Cañada Flintridge. The section of freeway in Sylmar, California , that was intended to open first (between I-5 and Maclay Avenue) was damaged by the 1971 Sylmar Earthquake , and the opening was delayed until repairs could be completed in 1973. In the Pasadena, California , section, a bridge span traversing the Arroyo Seco collapsed during construction on October 17, 1972, killing six workers, and as

4788-541: The shadier north slope of the range, where soil moisture levels are higher. Coast live oak ( Quercus agrifolia ), California bay laurel ( Umbellularia californica ), California sycamore ( Platanus racemosa ), California walnut ( Juglans californica ), and several species of willow ( Salix spp.) are the most common native trees. Non-native trees, particularly pines ( Pinus spp.), cypress ( Cupressus spp.), locust ( Robinia pseudoacacia ), and Australian eucalyptus ( Eucalyptus spp.) have been planted locally along

4864-417: The sound of a dropped ping-pong ball, the wrentit provides the most characteristic sound of the chaparral. The Verdugo Mountains have warm, dry summers and cool wet winters. Snow infrequently falls along the crest during the coldest winter storms, but melts rapidly. Annual average precipitation increases with elevation (due to the orographic lift effect), from 17-21 inches at the base to about 24–28 inches at

4940-465: The south by the Verdugo Fault, a north-dipping reverse fault , and on the north by the Sierra Madre thrust fault near the front of the San Gabriel Mountains, thus including the sediment-covered Crescenta Valley within the Verdugo Mountains Block. The Verdugo Fault lies slightly south of the topographic range front and is completely covered by sediments. The rocks within the Verdugo Mountains block are almost entirely igneous and metamorphic similar to

5016-481: The southern side of the range. The Harvard Fire started on September 29, 2005, and consumed 1,024 acres (414 ha) both north and south sides of the range north of Burbank during a six-day period. In September, 2017, the La Tuna fire started north of the Verdugos, jumping Interstate 210 forcing the closure of it, burning both the north and south face of the ranges. The fire ultimately destroyed four homes and 7,003 acres (2,834 ha) of land. Beginning in 1921,

5092-432: The summit of Mount Verdugo, now known as Mount Thom. The proposed Glendale & Verdugo Mountain Railway was to run in a straight line from the Pacific Electric's Casa Verdugo station at the top of Brand Boulevard to the summit of Mount Verdugo, employing cars with stepped seating similar to those of Angels Flight on Bunker Hill in Los Angeles. Initially, Colonel Ginger had proposed that his cable railway would lift

5168-489: The trade organization that oversees the designation and numbering of the Interstate Highway System , to resign the entire Foothill Freeway, including the entire segments of SR 210 and SR 30, as I-210. Upon completion of the new freeway segment west of I-215, SR 30 from I-215 to I-10 in Redlands was resigned as SR 210. The resigning in 2003 of the former portion of I-210 now signed as SR 57 truncated I-210 from its parent route, I-10. Presuming that authority

5244-443: The twentieth century include the December, 1927 Burbank Canyon Fire, which started in Haines Canyon in the San Gabriel Mountains and burned south into the range, consuming approximately 100 homes in Burbank's Sunset Canyon. The La Tuna Canyon Fire of November, 1955 burned over almost the entire western portion of the range, ultimately destroying approximately 4,500 acres (1,800 ha). The Whiting Woods Fire of March, 1964, started by

5320-406: The uncompleted section of I-210 (notably near the interchange with Highway 118, near the Paxton Street exit) was rented by MGM Television for the filming of the television series CHiPs . In 1968, the Atchison, Topeka and Santa Fe Railway depot at Santa Anita, a historic structure built in 1890, was moved to the Los Angeles County Arboretum and Botanic Garden to make way for a section of

5396-580: Was adopted as a state route in 1933 as part of Legislative Route 190. It was an unsigned highway, running from LRN 9 (formerly US 66, Foothill Blvd) near San Dimas to LRN 26 (SR 38) near Redlands. It also ran from LRN 26 near Redlands to LRN 43 near Big Bear Lake, which would become part of SR 38. During the renumbering of California routes, LRN 190 was split into two different routes. The western portion, between I-210 in San Dimas and Highland became SR 30. The eastern portion, between SR 38 in Redlands and Highland

5472-493: Was combined with LRN 207 (currently SR 330) to form SR 106. In 1972, the northern portion of SR 106, between SR 30 and SR 18 would be renumbered SR 330. The southern portion, between SR 30 and I-10 (SR 106 was moved to I-10 in 1965) was combined with SR 30. Initial freeway construction started in 1968, and constructed the freeway between SR 259 and Cedar Street in San Bernardino. Construction continued east in 1971, which brought

5548-503: Was completed in 1976, while the section from Arcadia, California to the Kellogg Interchange with I-10 at Pomona had been previously completed in 1971. The section between the Kellogg Interchange and Glendora is no longer part of I-210. In 2003, this piece was renumbered as part of SR 57 , known as the Orange Freeway. In the 1990s, Caltrans began constructing extensions to the freeway from Glendora east to

5624-562: Was completed in September 2023, the eastern end currently remains "Route 210". I-210's western terminus is at its junction with I-5 , near the Sylmar district of Los Angeles. From that point, the freeway's alignment is generally diagonal as it heads southeast through the northeastern San Fernando Valley and the Crescenta Valley . After leaving Los Angeles , it enters northern Glendale and then La Cañada Flintridge where it meets with

5700-702: Was constructed in 1989 by the Los Angeles Conservation Corps with funds provided by the Santa Monica Mountains Conservancy. Foothill Freeway The Foothill Freeway is a freeway in the Los Angeles metropolitan area , California , United States, running from the Sylmar district of Los Angeles east to Redlands . The western segment is signed as Interstate 210 ( I-210 ) from its western end at I-5 to SR 57 in Glendora , while

5776-425: Was the former designation of SR 210 and SR 330 . SR 30 ran from its interchange with I-210 in Glendora east to SR 18 at Big Bear Lake . The easternmost portion of SR 30 was transferred to SR 330 in 1972. Thereafter, SR 30 was routed south to I-10 in Redlands . In 1999, the entirety of SR 30 from the Glendora Curve to Redlands was transferred to Route 210. SR 30

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