The Russian River (Southern Pomo: Ashokawna, Spanish: Río Ruso) (Russian: русская река) is a southward-flowing river that drains 1,485 mi2 (3,850 km2) of Sonoma and Mendocino counties in Northern California. With an annual average discharge of approximately 1,600,000 acre feet (2.0 km3), it is the second-largest river (after the Sacramento River) flowing through the nine-county Greater San Francisco Bay Area, with a mainstem 115 mi (185 km) long.
Deriving its name from the establishment of colonial outposts by the Russian-American Company near its course, during the beginning of the 19th ce...
Click any point for details. Sections without stored geometry are drawn as straight put-in → take-out lines — actual courses follow the river.