The Global Volcanism Program considers Cache Mountain, Little Cache Mountain, Hayrick Butte, and Hoodoo Butte subsidiary cones of Mount Washington. The Mount Washington Wilderness includes a number of cinder cones, typically with elevations between . Composed of gray to red cinder, they also have scoria and welded spatter. Major cinder cones in the wilderness include Belknap Crater, Twin Craters, Scott Mountain, and the Sand Mountain craters.