Arroyo Valle

General data

Name: Arroyo Valle
Water system: Pacific Ocean
Water type: Stream
Progression: Arroyo de la Laguna -> Alameda Creek -> San Francisco Bay -> Golden Gate strait -> Pacific Ocean -> Planet Earth
Climates: Subtropical
Continents: North America
Countries: United States of America

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 a 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.

Arroyo Valle

General data

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