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41-858: The East Branch South Fork Eel River , a tributary of the South Fork Eel River , is formed by the confluence of Cruso Cabin Creek and Elkhorn Creek, in Mendocino County in the U.S. state of California . The river is roughly 25 miles (40 km) long, meandering west to its confluence with the South Fork Eel at Benbow State Recreation Area . Major tributaries of the East Branch include Buck Mountain Creek, Squaw Creek, Rays Creek, and Tom Long Creek. The river flows west, turns north, and flows west again, through rugged terrain in

82-584: A water gap through the western subrange, and spills into the South Fork. The creek is about 21 miles (34 km) long, despite the name. After the confluence with Tenmile Creek, the South Fork flows generally north, turning west where it receives another major tributary, 11-mile (18 km) Rattlesnake Creek, also on the right. This point is significant because it is where it begins to parallel U.S. Highway 101 and California State Route 271 (Redwood Highway and Old Redwood Highway). Both roads come in from

123-550: A boundary between tribes, although this claim is only "probable". In 1928, the Benbow Dam was built across the South Fork near Benbow, California , which led to the creation of a slackwater pool, Benbow Lake, and the creation of the Benbow State Recreation Area . During the rainy season, the floodgates of the dam were removed. The lake existed during the summer, when lower flows are impounded behind

164-411: A four-lane bypass of Richardson Grove State Park was analyzed in 2001, but deemed infeasible due to the high cost and/or environmental disruption. Some north coast businesses, whose success is tied to shipping out of the area, favor the project. According to Caltrans, 54 trees under 24 inches (610 mm) in diameter, none of which are old growth redwoods, would be removed for the project (32 trees in

205-422: A large group site across three campgrounds: Huckleberry, Madrone, and Oak Flat. The campsites are mainly intended for tent camping but some can accommodate RVs/Trailers. Formerly, cabins were also available for rent. Each site has a picnic table, a food locker, a fire pit, and coin-operated showers are available at nearby restrooms. The state park has a Visitors Center offering displays on the natural wildlife in

246-475: A rugged, narrow gorge in a generally northwest direction for about 20 miles (32 km). After passing through the Benbow Dam, which is non-functional during the winter months, the South Fork Eel receives another tributary called Redwood Creek on the left bank, as it bends north and then west around the community of Redway, California , which is located on a plateau east of the river. The river then passes through another rugged canyon, flowing northeast, then passes

287-591: Is created by the San Andreas Fault , and comprises most of California's Coast Range . The steep terrain in the South Fork Eel's watershed is the result of continuous uplift along the San Andreas Fault, and coinciding with the erosion caused by the river and its tributaries, steep canyons and ridges, many with slopes of over 50 percent, were formed. Of note is that the downstream reach of the river "may be uplifting as much as ten times faster than

328-659: Is used for recreation and provides groundwater recharge and industrial, agricultural and municipal water supply for residents. The largest tributary of the South Fork is the East Branch South Fork Eel River , which is approximately 25 miles (40 km) long. Tenmile Creek, at 21 miles (34 km) long, is the second largest tributary. Other major tributaries include Cedar Creek , at 7 mi (11 km) long; Bull Creek at 14 mi (23 km) long; and Hollow Tree Creek at 15 mi (24 km) long. There are many streams with repeating names in

369-572: The Coast Range of California. The East Branch is the South Fork Eel's largest tributary. This Mendocino County, California –related article is a stub . You can help Misplaced Pages by expanding it . This article related to a river in California is a stub . You can help Misplaced Pages by expanding it . South Fork Eel River The Kai Pomo , a branch of the Pomo people , once lived in

410-545: The Pacific Coast , with its north-south extent marked by Weott and Laytonville, California (about 144 miles (232 km) and 193 miles (311 km) north of San Francisco , respectively. The highest point in the watershed is Iron Peak, at 4,491 feet (1,369 m), and the mouth of the river is at roughly 100 feet (30 m). Due to its rugged and remote location, the watershed is thinly populated. Although U.S. Highway 101 and California State Route 271 follow

451-485: The Ten Mile River to the south. Dropping off the high plateau where it begins, the South Fork winds north and bends southwest through a steep and narrow canyon. Longvale, California is a few miles to the east of the headwaters, while Laytonville, California is closer, only about 1-mile (1.6 km) to the north. It is not long after its headwaters that Branscomb Road drops into the South Fork Eel's canyon from

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492-701: The Eel River watershed was inhabited by Pomo Indians and Athapascan peoples. The "extreme headwaters" of the South Fork of the Eel River, as well as the East Fork of the South Fork of the Eel River, were inhabited by the Kai Pomo , whose territory stretched westward to the Eel River mainstem and west and north to the boundary with the Athapascan. The lower section of the South Fork Eel was also said to be

533-454: The Giants) on the right bank. U.S. 101 then crosses the South Fork, paralleling CA-254. The village of Myers Flat is located on a low slice of terrain north of the river. The South Fork, nearing its mouth, passes Burlington on the right bank, and Weott, California , also on the right bank. Several hundred yards upstream from its confluence, it receives its last major tributary, Bull Creek, on

574-493: The South Fork or its major tributaries, there are many on smaller side streams, especially after heavy rainfall. One of the highest waterfalls is Grizzly Creek Falls, which spills over a rocky cliff for nearly 1,000 feet (300 m) above the Tenmile Creek valley. The steep terrain also causes the river to fall at steep inclines, creating a series of rapids . The river's rapids are well known for rafting. On average,

615-535: The South Fork, fed by several smaller creeks. The South Fork then turns west again, flowing through the Standish Hickey State Recreational Area . It then meanders north into Richardson Grove State Park on an increasingly wide valley floor, receiving Red Mountain Creek on the right bank. The river then reaches Benbow Lake, which is inside the Benbow State Recreation Area and next to the town of Benbow, California . Benbow Lake

656-626: The State of California for wild coho. Several tributaries, such as Hollow Tree Creek, also support anadromous fish, but they have become impaired in ways similar to the South Fork Eel. Download coordinates as: Richardson Grove State Park Richardson Grove State Park is located at the southernmost border of Humboldt County , 75 miles (121 km) south of Eureka, California , United States, and 200 miles (320 km) north of San Francisco . The year-round park, which has approximately 2,000 acres (8.1 km ), straddles US 101 , causing

697-593: The city, it receives Rock Creek on the right and Redwood Creek on the left. These two stream names are a common occurrence throughout the South Fork's watershed. Afterwards, it receives its first significant tributary, Tenmile Creek, on the right bank. Tenmile Creek begins in another section of the Coast Range, separated from the South Fork Eel River by two sub-ranges. The creek begins in the easternmost of these two sub-ranges. It then flows west, cutting

738-455: The east and at this point are on the river's right bank. The river turns northwest, receiving Big Dann Creek and another large 9-mile (14 km) tributary, Cedar Creek , on the right bank. Cedar Creek flows west and turns south-southwest, flowing also in a steep, undeveloped gorge. Shortly past Cedar Creek, the South Fork Eel meets another large tributary, Hollow Tree Creek. Hollow Tree Creek flows east, turns north, then turns east again to meet

779-475: The headwaters area". In much of the middle and lower course of the South Fork Eel, the riverbed is mostly bare gravel, with sparse vegetation, and without a floodplain . The riverbed lies in a downcut channel, with its walls formed by bedrock with scattering of rocks. Bedrock river terraces surround the river, forming the "only level land in an otherwise rugged terrain of narrow ridges and steep [v]alleys". Prior to white settlement of Central California, much of

820-434: The left bank. Bull Creek, whose watershed is entirely contained inside Humboldt Redwoods State Park , begins south of Grasshopper Mountain and flows northwest, then makes a great bend to the west and joins the South Fork. Its length is roughly 8 miles (13 km). After receiving Bull Creek, the South Fork Eel curves halfway around 325-foot (99 m) high Duckett Bluff, and receives its last named tributary, Cabin Creek, on

861-524: The left bank. Meandering through a downcut channel between U.S. 101 and SR 254 (right bank) and California State Route 211 , it then crosses under the former two highways, spreads wider, and flows into the Eel River. The South Fork Eel River drains a long, narrow and mountainous watershed of 689 square miles (1,780 km )–or almost 20 percent of the 3,684-square-mile (9,540 km ) Eel River drainage basin. The watershed includes parts of Humboldt and Mendocino Counties and runs generally parallel to

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902-419: The location closest to the mouth, the annual mean was 1,833 cubic feet per second (51.9 m /s) between 1940 and 2012; The highest recorded peak was 199,000 cubic feet per second (5,600 m /s) on 22 December 1964, with a minimum of 10 cubic feet per second (0.28 m /s) on 30 August 1964. For Garberville, a stream gauge was only operated from 1912–1913, and again in 1940. The annual mean recorded here

943-497: The location furthest upstream, the annual mean was 173 cubic feet per second (4.9 m /s) between 1946 and 1970. The highest flow recorded was 20,100 cubic feet per second (570 m /s) on 22 December 1955, while the lowest was 0.86 cubic feet per second (0.024 m /s) on 27 July 1977. The watershed is underlain by the Franciscan Assemblage , which consists of soft soil and rock in this region. The formation

984-457: The narrowest point of its entire distance. Said to have the 9th largest tree of all remaining Coast Redwoods , it is known for swimming on the South Fork of the Eel River and day use in addition to 159 campsites. The park is named after Friend Richardson , the 25th Governor of California between 1923 and 1927. The first road through Richardson Grove, eventually to become US 101 ,

1025-485: The north, paralleling the river. Almost 1-mile (1.6 km) past this point, it receives its first significant tributary , Section Four Creek, on the left bank. Although it is not a large creek, only about 2.5 miles (4.0 km) long, it denotes the start of the National Wild and Scenic River section of the South Fork. The river meanders swiftly west and turns west-northwest, passing Branscomb, California . Near

1066-521: The park and 24 trees outside of the park). Trees to be removed would not all be redwood, but would include Douglas Fir, Big Leaf Maple, Live Oak, Tan Oak, and Red Alder. A total of two redwoods would be removed within the park itself. There are several preservation groups against the currently proposed changes in the road alignment. One of these groups, the Save the Redwoods League , worked with

1107-722: The river for over 70 percent of its length, there are few communities in the steep and narrow, forested canyon of the South Fork. Towns along the river include Branscomb , Underwood Park, Leggett , Piercy , Andersonia , Benbow , Garberville , Redway , Phillipsville , Miranda , Myers Flat , and Weott . The South Fork also has a number of protected areas along its course. These include Admiral Standley State Park , Standish Hickey State Recreation Area , Smithe Redwoods State Reserve , Richardson Grove State Park , South Fork Eel River Wilderness , Benbow State Recreation Area , and Humboldt Redwoods State Park . The river

1148-420: The river into a generally brownish or tannish color. The South Fork is an important Northern California habitat for anadromous fish (see section below ) and sediment has severely degraded conditions for these fish as well as other aquatic life forms. The rugged topography of the South Fork Eel River watershed also produces an amount of waterfalls from tributary streams. Although there are no large waterfalls on

1189-453: The river's discharge in its middle section can range from 2,000 cu ft/s (57 m /s) to 55 cu ft/s (1.6 m /s). In the lower section near the mouth, the river generally ranges from 5,500 cu ft/s (160 m /s) to 60 cu ft/s (1.7 m /s). The United States Geological Survey operates or operated four stream gauges on the South Fork, at Miranda, Garberville, Leggett, and Branscomb. For Miranda,

1230-551: The state to increase the park to around 1,750 acres (710 ha). Groups and community members against the project, whose website is entitled "Save Richardson Grove," posit that the result of widening the highway may cause Humboldt County to become a casualty of unlimited commercial development. Some suggest, by removing redwoods from the grove, there would be adverse effects on the root systems of remaining massive old-growth redwoods, even causing death to unintended trees and habitat. Richardson Grove State Park offers 160 campsites and

1271-612: The structure for recreation. The stagnant water in the lake was heated by the sun to a higher temperature than normal and severely hurt salmon and steelhead runs, as well as other aquatic and migratory life downstream. Since 2009 the dam was no longer erected. Benbow Dam was finally removed from 2016-2017 on the South Fork of the Eel River. Dam decommissioning will start to occur on the Klamath River in 2022 pending Federal Energy Regulatory Committee (FERC) approval. The 12,915-acre (52.27 km ) South Fork Eel River Wilderness

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1312-425: The towns of Phillipsville and Miranda which are to the east of the river. West of Miranda, the river receives another medium-sized tributary, Salmon Creek, from the left bank. The South Fork then flows north to a point where it turns sharply around a ridge and flows due south, then turns back north again. At this point, it is paralleled by Highway 101 on the left bank and by California State Route 254 (Avenue of

1353-559: The upper portion of the watershed. Before industrial development in the 1800s, many native tribes relied on the river's abundant runs of salmon and steelhead . In the 1920s, a private company built the Benbow Dam, blocking fish migration to a large area of the basin. The South Fork is designated as a National Wild and Scenic River from the confluence of Section Four Creek to the mouth. The South Fork Eel River begins near Iron Mountain in western Mendocino County , at an elevation of 2,500 feet (760 m). Its headwaters are near that of

1394-403: The watershed, including Low Gap Creek, Redwood Creek, Rock Creek, and Red Mountain Creek. Historic logging activity in the South Fork watershed has stripped steep hillsides bare of vegetation, resulting in chronic erosion problems. Historically, South Fork Eel River water had an unusual translucent blue-green hue for most of the year. Increased turbidity levels caused by erosion has transformed

1435-429: Was 1,747 cubic feet per second (49.5 m /s). Peak discharges of 64,700 cubic feet per second (1,830 m /s) were recorded in both 1912 and 1913, while for 1940, the peak was 55,600 cubic feet per second (1,570 m /s). The Leggett stream gauge began operating in 1965 and is still in use. An average discharge of 774 cubic feet per second (21.9 m /s) was recorded here from 1966–2010. The highest flow recorded

1476-414: Was 20,000 while coho averaged 16,000 at Benbow Dam in the 1930s. Since then, the population has steadily declined, with a current population of roughly 1,000. The reason for the decline is the high amount of silt carried into the river by logging activity and road construction. The silt has filled stream pools and caused higher turbidity, which has harmed fish. The South Fork is said to be the last habitat in

1517-401: Was 72,700 cubic feet per second (2,060 m /s) on 4 January 1966. A higher peak flow of 78,700 cubic feet per second (2,230 m /s), on 22 December 1964, before the stream gauge was in place, was determined using flood stage height data and floodmark measurements. The minimum discharge recorded by this gauge was 7.3 cubic feet per second (0.21 m /s) on 4 August 1977. For Branscomb,

1558-496: Was a seasonal reservoir , formed by a dam at its western end. The dam was only raised in the summer, and only when water flow is sufficient for impoundment. Since about 2009, the lake no longer gets built, which is good for the ecology of the river. At Benbow Lake the South Fork meets its largest tributary, the East Branch South Fork Eel River . The East Branch, formed by the confluence of two small creeks, Cruso Cabin and Elkhorn Creeks, south of Bell Springs Mountain , flows through

1599-625: Was constructed in approximately 1915 and first surfaced, most likely with gravel and oil, in 1927. A proposed project to adjust the alignment of Route 101 both inside and outside park boundaries to accommodate industry standard-sized trucks in compliance with the Surface Transportation Assistance Act (STAA) has been in development by Cal Trans (Caltrans). STAA-compliant vehicles are currently prohibited north of Leggett, California on Route 101 through Richardson Grove State Park. The feasibility of constructing

1640-664: Was designated in 2006, stretching along portions of the South Fork Eel and extending westward to the Pacific Ocean. The wilderness area borders that of the King Range Wilderness , which is said to be the "longest stretch of undeveloped coastline in the United States outside of Alaska". The river provides wildlife habitat for preservation of rare and endangered species including cold freshwater habitat for fish migration and spawning. The South Fork Eel

1681-410: Was historically rich in salmon and other species of anadromous fish, and has been known as the "most productive sub-basin for anadromous fish". The main anadromous fishes in the South Fork are chinook salmon , coho salmon and steelhead , and it is said that "the South Fork Eel River once supported about half of the total coho run for the State of California". Historically, the population of chinook

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