Places We Protect

Cosumnes River


River in foreground with tree-lined meadow in background.
Cosumnes River Preserve Howard Ranch at the Cosumnes River Preserve. © Mike Eaton/The Nature Conservancy

The last remaining undammed river on the western slope of the Sierra Nevada.

You Can Help

Help us ensure that the cranes continue to return to the preserve, support responsible agriculture and ranching, and keep the wilderness open for thousands to enjoy.