Marine Wildlife Care CenterA rehabilitation center for oiled seabirds at Humboldt State University, part of the Oiled Wildlife Care Network. Arcata.
Bureau of Land Management, Arcata Field OfficeThe Arcata Field Office is responsible for the administration of natural resources, lands, and mineral programs on approximately 200,000 acres of public land in Northwestern California.
Astronomers of HumboldtAmateur astronomers hosting public presentations and public observing sessions. Club members and their equipment are available as a public service for educational, charitable, and school groups.
Lost Coast 4x4'sA family oriented 4x4 club.
Wildlife Society, North Coast ChapterAn assocation of wildlife professionals.
Humboldt Surfriders FoundationDedicated to ocean and beach preservation. Humboldt County chapter.
Friends of the DunesA non-profit orgainzation dedicated to preserving dunes in Humboldt County. Offering guided walks, school education programs, restoration days and a quarterly newsletter.
Friends of the Arcata MarshInformation support group for the Arcata Marsh Wildlife Sanctuary.