Located north of Daer Creek and west of Lachine Creek. Mitchell Range, Assiniboine Park, Major headwater Kootenay River.
Latitude 50; 53; 30 Longitude 115; 52; 00, Topo map 82J/13
Named in 1926. The mountain was named after the town of Lachine, Quebec which was the home town of Sir George Simpson, Governor of the Hudson Bay Company.) Official name.