|Region||Contra Costa County|
|- location||4 mi (6 km) south of Crockett, California|
|- elevation||660 ft (201 m)|
|Mouth||San Pablo Bay|
|- location||southwest of Rodeo, California|
|- elevation||3 ft (1 m)|
Refugio Creek (pronounced REH-foo-GEE-oh from Spanish refugio meaning: shelter) is a 4.4-mile-long (7.1 km) watercourse running through the Refugio Valley from the hills of western Contra Costa County, California.
Contra Costa County is a county in the state of California in the United States. As of the 2010 census, the population was 1,049,025. The county seat is Martinez. It occupies the northern portion of the East Bay region of the San Francisco Bay Area, and is primarily suburban. The county's name is Spanish for "opposite coast", referring to its position on the other side of the bay from San Francisco. Contra Costa County is included in the San Francisco–Oakland–Hayward, CA Metropolitan Statistical Area.
It runs from the hills to its mouth at San Pablo Bay through the city of Hercules and unincorporated areas, including the town of Rodeo. The creek passes through a dense suburban area in addition to Refugio Valley Park. The creek is almost entirely at the surface level and unaltered although its riparian habitat is largely destroyed in the more developed areas. Refugio means "refuge" in the Spanish language.
San Pablo Bay is a tidal estuary that forms the northern extension of San Francisco Bay in the East Bay and North Bay regions of the San Francisco Bay Area in northern California.
Hercules is a city in western Contra Costa County, California. Situated along the coast of San Pablo Bay, it is located in the eastern region of the San Francisco Bay Area, about 10 miles (16 km) north of Berkeley, California. As of 2010, its population was 24,060, according to the United States Census Bureau. The site of Hercules was first developed in 1881 as a manufacturing facility of the California Powder Works for the production of its patented dynamite formulation, Hercules powder. In 1882, the Hercules Powder Company was incorporated and assumed responsibility for the Hercules site. It was one of several explosive manufacturers that were active along the Pinole shoreline in the late 19th to the mid-20th century. The small company town that grew up near the facility subsequently became known as "Hercules", and was incorporated at the end of 1900. Starting in the 1970s, Hercules was heavily redeveloped as suburban bedroom community that lies along the I-80 corridor in Western Contra Costa County. It has a very ethnically diverse population.
Rodeo is a census-designated place (CDP) located in Contra Costa County, California, in the East Bay sub-region of the San Francisco Bay Area, on the eastern shore of San Pablo Bay, 25 miles northeast of San Francisco. The population was 8,679 at the 2010 census. The town is named for the livestock roundups common in the late 19th century. Cattle from the surrounding hills were regularly driven down through the old town to a loading dock on the shoreline of San Pablo Bay for shipment to slaughterhouses, a practice which continued through the early 20th century. The town of Rodeo is served by the Interstate 80 freeway and State Route 4. The Southern Pacific Railroad main line passes through Rodeo. Rodeo has not been a stop on the railroad since the 1950s.
Dry Creek is a 43.0-mile-long (69.2 km) stream in the California counties of Sonoma and Mendocino. It is a tributary of the Russian River, with headwaters in Mendocino County.
Arroyo Seco Creek, or simply Arroyo Seco, is a 6.9-mile-long (11.1 km) tributary stream to Schell Creek in southern Sonoma County, California, United States. In Spanish arroyo seco means "dry creek".
Arroyo Corte Madera del Presidio is a 4.1-mile-long (6.6 km) year-round stream in southern Marin County, California, United States. This watercourse is also known as Corte Madera Creek, although the actual stream of that name flows into San Francisco Bay further north at Point San Quentin. This watercourse has a catchment basin of about 8 square miles (21 km2) and drains the south-eastern slopes of Mount Tamalpais and much of the area in and around the town of Mill Valley; this stream discharges to Richardson Bay.
South San Ramon Creek is a 9.3-mile-long (15.0 km) southward-flowing stream in Alameda County and southern Contra Costa County, in the East Bay region of northern California.
Tolay Creek is a 12.5-mile-long (20.1 km) southward-flowing stream in southern Sonoma County, California, United States, which flows through Tolay Lake and ends in north San Pablo Bay.
Copper Mine Gulch is a valley in Marin County, California, United States, which is associated with a small stream.
Pinole Creek is a stream in western Contra Costa County, in the East Bay region of the San Francisco Bay Area, California.
Maacama Creek is a 7.3-mile-long (11.7 km) stream in northern Sonoma County, California, U.S.A., which empties into the Russian River near the city of Healdsburg.
Atascadero Creek is an 8.8-mile-long (14.2 km) north-flowing stream in Sonoma County, California, United States, which empties into Green Valley Creek.
Green Valley Creek is a 10.7-mile-long (17.2 km) stream in Sonoma County, California, United States, which springs from the hills above the Bohemian Grove and is a tributary of the Russian River.
Miller Creek is a 7.6-mile-long (12.2 km) stream in eastern Marin County, California, United States. It originates on Big Rock Ridge and empties into San Pablo Bay east of Marinwood. A middle school called Miller Creek Middle School was named after the creek and is home to 6th, 7th, and 8th graders.
Blucher Creek is a 5.2-mile-long (8.4 km) stream that rises in the hills south of Sebastopol, California, United States, and empties into the Laguna de Santa Rosa.
Sand Canyon Wash is an approximately 6.9-mile (11.1 km) tributary of San Diego Creek in Orange County, southern California.
Hale Creek is a short stream originating in the foothills of Los Altos Hills, California in Santa Clara County, California, United States. Its source is in the Rancho San Antonio Open Space Preserve upstream and east of Neary Quarry. The creek flows northeasterly 4.6 miles (7.4 km) through the cities of Los Altos Hills, Los Altos, and Mountain View before joining Permanente Creek.
Coyote Creek is a stream in the Richardson Bay watershed, draining Tamalpais-Homestead Valley, California eastward into Richardson Bay, Marin County, California, United States. The stream originates on Coyote Ridge and flows 2.5 miles (4.0 km) to the bay at the south end of Bothin Marsh.
San Lorenzo Creek is a 10.7-mile-long (17.2 km) year-round natural stream flowing through Hayward, California, into San Francisco Bay at the Hayward Regional Shoreline.
Guadalupe Creek or Guadalupe Valley Creek is a short eastward-flowing stream whose watershed originates just east of the highest peak of San Bruno Mountain in San Mateo County, California, United States. It courses through San Bruno Mountain State and County Park and Brisbane before entering the Brisbane Lagoon.
Llagas Creek is a perennial stream in Santa Clara County, California, United States. The headwaters rise on the eastern side of Crystal Peak near Loma Prieta. From there, the creek flows northeast along Casa Loma Road, until it reaches Uvas Road, and then turns south. At Oak Glen Avenue, the creek turns southeast, passing through Chesbro Reservoir, and the cities of Morgan Hill, San Martin, and Gilroy. The creek continues its southward flow, eventually joining with the Pajaro River at the San Benito County line.
Arroyo Valle or Arroyo Del Valle is a 36.4-mile-long (58.6 km) westward-flowing stream that begins in northeastern Santa Clara County, California, and flows northwesterly into Alameda County where it is dammed to form Lake Del Valle. After that Arroyo Valle is tributary to Arroyo de la Laguna which in turn flows into Alameda Creek and thence to San Francisco Bay. In the past, the Arroyo Valle had a significant steelhead migration; however, degradation of the stream in the latter half of the 20th century has decimated this anadromous fish population.
San Antonio Creek is a 24.4-kilometre-long (15.2 mi) northwesterly-flowing stream originating on the eastern edge of Santa Clara County just west of its border with Stanislaus County.
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