From Summitpost: Mount Stone is located in the south eastern corner of the Olympic National Park. Its neighbors include Pershing, Bretherton, and Skokomish. There are three summits on Stone: South (main, 6612 feet), Middle (c. 6600 feet), and North (6400 feet). The first two have class 3 routes to their respective tops; the North summit has a class 2 route. Stone can be climbed car-to-car in a day from the Hamma Hamma River Road or can be combined into a pleasant overnight outing along with the climb of the nearby Mt. Skokomish.