"Sunset over the village of Steptoe from Steptoe Butte" by Fred J. Lord Photography.Steptoe Butte is a quartzite island projecting upward from the silt of the Palouse Hills in Whitman County, WA.The 3,612-foot butte is preserved as Steptoe Butte State Park.The views from the butte are unique and some of the most striking vistas found in the United States.