37°45′N 121°57′W / 37.75°N 121.95°W / 37.75; -121.95 The San Ramon Valley is a valley and region in Contra Costa County and Alameda County , in the East Bay region of the San Francisco Bay Area in northern California .
11-582: The valley is between the Oakland Hills on the west, and the Diablo Range on the east. The western side of the valley is formed by Las Trampas Ridge . The valley's population is around 150,000 people. The city of San Ramon , town of Danville , as well as the southern edge of Walnut Creek are located in the valley, as are the census-designated places (CDPs) of Alamo , Blackhawk , Camino Tassajara and Diablo . Interstate 680 serves as
22-601: A section of the Claremont neighborhood, the northern part of which lies within the city of Berkeley . The Oakland Hills also include the northern section of Lake Chabot Regional Park and borders Robert Sibley Volcanic Regional Preserve , Huckleberry Botanic Regional Preserve , Redwood Regional Park and Anthony Chabot Regional Park ; all part of the East Bay Regional Park District . Several popular cultural sites and events are located in
33-460: Is a very diverse botanical area for native plants of the mixed evergreen forest and montane chaparral and woodlands ecoregions and plant communities . Trails connect the preserve with Robert Sibley Volcanic Preserve on the north, and Redwood Regional Park on the south. The Huckleberry Trail is a 1.7 miles (2.7 km) self-guided nature path that loops through the Preserve. Besides
44-516: Is an informal term used to indicate the city neighborhoods lying within the eastern portion of Oakland , California . The northernmost neighborhoods were devastated by the Oakland firestorm of 1991 . "Oakland Hills" is most commonly an informal name for that section of the Berkeley Hills range that extends along the eastern side of Oakland, California . In recent decades, it has become
55-544: Is named after the California Huckleberry ( Vaccinium ovatum ) which grows abundantly within its habitat . The Huckleberry Botanic Regional Preserve is on the crest of the Oakland Hills, located above Oakland and Orinda . It represents a relic plant association found only in certain areas along the coastal climate region of California, where specific soil and climatic conditions still exist. It
66-791: The Montclair District along State Route 13 . This other ridge, a shutter ridge created by the Hayward Fault , lends its informal name, " Rockridge ", only to the district of Oakland at its northwest end, although it extends southeast to the junction of Highway 13 and I-580 in East Oakland and includes most of the small residential community of Piedmont, California . Plant communities are diverse, ranging from oak-grassland savanna and chaparral on sunny exposed slopes, to woods of oak, madrone, bay laurel, pine and redwoods in shady canyons. The Oakland Hills neighborhoods comprise
77-596: The California Huckleberry, other plants include the Golden chinquapin ( Chrysolepis chrysophylla ), western leatherwood , Douglas iris , wood fern and western sword fern . Trees include California Bay ( Umbellularia californica ), Coast live oak ( Quercus agrifolia ), pallid manzanita , brittleleaf manzanita, and California hazelnut . The park is open year-round, between 5:00 AM and 10:00 PM daily, unless otherwise posted. No dogs are permitted in
88-711: The Oakland hills: Huckleberry Botanic Regional Preserve Huckleberry Botanic Regional Preserve is a 241 acres (0.98 km ) regional park and nature reserve in the Oakland Hills , in the eastern East Bay (San Francisco Bay Area) region of the San Francisco Bay Area of California . It is within Alameda and Contra Costa Counties . It is a park within the East Bay Regional Parks District system. The Preserve
99-560: The highest elevations within the city's land area, following the alignment of the hills and the central section of the Hayward Fault Zone . The area includes all of Oakland lying east of State Route 13 and east of I-580 south of its junction with Route 13. The area includes Upper Rockridge, Oakmore, Montclair and Mountain View Cemetery . The Oakland Hills touch the eastern border of Piedmont, California and include
110-652: The more common popular term although it remains "officially" incorrect among geographers and gazetteers. Before the establishment of the University of California in Berkeley, the range was called the Contra Costa Hills. The common usage often includes another officially unnamed ridge which runs in front (west) of the Berkeley/"Oakland" Hills, as well as the linear valley enclosed between the two ridges in
121-424: The primary transportation route for the area. The Iron Horse Regional Trail also runs the length of the valley. This Contra Costa County, California –related article is a stub . You can help Misplaced Pages by expanding it . Oakland Hills, Oakland, California 37°50′18.22″N 122°12′1.95″W / 37.8383944°N 122.2005417°W / 37.8383944; -122.2005417 Oakland Hills
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