Located on the continental divide in the Beaverdam Creek Valley; head of Morkill River; southwest buttress of Jones Pass. Willmore Park, Alberta/BC border. Major headwaters Smoky & Fraser rivers.
Latitude 53; 31 Longitude 119; 48, Topo map 83E/12
Naming: The name is probably related to a thick layer of shale on the mountain. Official name.