Black sands beach, shelter cove/lost coast, humboldt, A beach well worth exploring this is a large, mostly west-facing, black sand beach with offshore reefs just north of the town of shelter cove. black sands beach is a. Lost coast romance - hiking california coastal trail, Hiking the california coastal trail through the wilds of humboldt county. Nature dogs: hike dog lost coast, humboldt, Description: hike 26 miles of beach with no nearby development. there are several places where you can enter the lost coast. pictured on the map below is the.