Ukiah Valley is a

valley A valley is an elongated low area often running between hills or mountains and typically containing a river or stream running from one end to the other. Most valleys are formed by erosion of the land surface by rivers or streams over ...

located in

Mendocino County Mendocino County (; ''Mendocino'', Spanish language, Spanish for "of Antonio de Mendoza, Mendoza") is a County (United States), county located on the North Coast (California), North Coast of the U.S. state of California. As of the 2020 United S ...

California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...

United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...

. It contains the Mendocino County seat of Ukiah. It also is home to the unincorporated towns of Redwood Valley, Calpella, Potter Valley and Talmage. Lake Mendocino and the headwaters of the Russian River are located in the greater Ukiah valley. The river flows southeast through the valley, passing through a rocky constriction into the Sanel Valley to the south. While part of the greater Ukiah area, Willits is located to the north of the Ukiah Valley in Little Lake Valley, part of the Eel River

drainage basin A drainage basin is an area of land in which all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, ...

. It is connected to the Ukiah Valley by

U.S. Route 101 U.S. Route 101, or U.S. Highway 101 (US 101), is a major north–south highway that traverses the states of California, Oregon, and Washington on the West Coast of the United States. It is part of the United States Numbered Highway Syst ...

over

Ridgewood Summit Ridgewood Summit is a low mountain pass in Mendocino County, California, traversed by U.S. Route 101 at an altitude of . It crosses the Mendocino Range, connecting Ukiah and the watershed of the Russian River, on the south of the pass, to W ...

. Linguistically, "Ukiah Valley" is redundant: "Ukiah" comes from the Central Pomo word ''yokaya'', meaning 'south valley'. The northern part of the valley was originally inhabited by the Northern Pomo, while the southern part was inhabited by the Central Pomo. The Central Pomo village of Yokaia, south of Ukiah, existed until the 20th century.

References

Valleys of Mendocino County, California Valleys of California {{MendocinoCountyCA-geo-stub