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Castle Rock NWR is closed to the public to prevent disturbance to the seabirds, marine mammals and their habitat.

Other Facilities in the Complex

Castle Rock NWR is part of Humboldt Bay National Wildlife Refuge Complex

P.O. Box 576, 1020 Ranch Road, Loleta, California 95551

707-733-5406

View of a meandering channel in a salt marsh with forest and cloudy sky in the background
Humboldt Bay National Wildlife Refuge
The coastal habitats conserved at Humboldt Bay National Wildlife Refuge are some of the most beautiful and biologically rich places in the world.
National Wildlife Refuge
Loleta,CA
Arcata,CA

Locations

Castle Rock National Wildlife Refuge
(707) 733-5406
C/O Humboldt Bay National Wildlife Refuge1020 Ranch RoadLoleta,CA95551-9633