The King Range is a mountain range of the Outer Northern California Coast Ranges system, located entirely within Humboldt County on the North Coast of California. Much of the mountain range's area is protected within the King Range National Conservation Area, a National Conservation Area unit of the National Landscape Conservation Syst…The King Range is a mountain range of the Outer Northern California Coast Ranges system, located entirely within Humboldt County on the North Coast of California. Much of the mountain range's area is protected within the King Range National Conservation Area, a National Conservation Area unit of the National Landscape Conservation System, and in the King Range Wilderness Area, both managed by the Bureau of Land Management.