Prairie Creek Redwood State ParkPark includes Fern Canyon, Gold Bluffs beach, Roosevelt elk, and more than 70 miles of hiking trails.
Humboldt Redwoods Interpretive AssociationAn alternate, unofficial site with information about Humboldt Redwoods State Park.
Arcata Marsh and Wildlife SanctuaryA wildlife marsh which doubles as an ecological wastewater treatment project for the City of Arcata.
Humboldt Lagoons State ParkPark offers boating, fishing, beach combing and hiking, near Trinidad.
Richardson Grove State ParkPositioned along the Eel River, near Garberville.
Trinidad State BeachFeatures scenic vistas of the rugged coastline and Trinidad Bay.
King Range National Conservation AreaContains 60,000 acres of desolate grandeur rising from sea level to over 4,000 feet in less than a mile, located in southern Humboldt County.
Harry A. Merlo State Recreation AreaRecreation and fishing area near adjacent to Humboldt Lagoons State Park.