It was given its present name by Albert H. Sylvester, who served as a USGS topographer and then, from 1908–1931, with the Forest Service as the Forest Supervisor of the Wenatchee National Forest.
Er bekam seinen heutigen Namen von Albert H. Sylvester, einem Topographen der USGS, der später (1908–1931) im Forest Service als Leiter des Wenatchee National Forest arbeitete.