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Russian River Delta

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description Russian River Delta Overview

The Russian River Delta is the coastal mouth and adjacent wetlands of California's Russian River, which reaches the Pacific Ocean near Jenner in Sonoma County. Its principal feature is a bar-built estuary: a sandbar can separate the lower river from the ocean, while managed breaching and changing water levels affect fish passage and estuary habitat. The watershed and estuary support Central California Coast coho salmon and steelhead, as well as Chinook salmon.

help Russian River Delta FAQ

Where is the Russian River Delta located?

The Russian River Delta lies on the Northern California coast near Jenner in Sonoma County. The river enters the Pacific Ocean through the Russian River Estuary.

What is the Russian River Estuary?

It is a coastal lagoon and estuarine system at the Russian River's mouth. Freshwater from the river mixes with Pacific tidal water, creating habitat that changes with seasonal conditions and the coastal barrier.

Which fish depend on the Russian River Delta?

The estuary provides important nursery habitat for steelhead trout and Coho salmon. Both species depend on connected river and coastal waters during different stages of their life cycles.

Does the Russian River Delta open directly to the Pacific?

The Russian River reaches the Pacific at the estuary near Jenner, but a coastal barrier can influence how openly the lagoon connects to the ocean. That changing connection affects salinity, fish passage, and wetland conditions.

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