Operated by the California Department of Fish and Game, under agreement with the Bureau of Reclamation, Northern California Area Office, Redding, California, the Trinity River Fish Hatchery is situated immediately below Lewiston Lake on the Trinity River. Capable of hatching 40 million eggs, the hatchery compensates for the upstream salmon spawning areas rendered inaccessibly by the Lewiston and Trinity Dams. Facility is open to the public. The fish hatchery was constructed as part of the Shasta/Tinity Division of the Central Valley Project.

Located northeast of Weaverville on California Highway 3.