Other areas of the Hart Ranges have no subdesignations though the area around Mount Sir Alexander has been dubbed the Mount Sir Alexander Group by The Canadian Mountain Encyclopedia; however, this is not an official designation.
Industry
The Hart Ranges are the location of a number of large coal mines focused on the remote communities of Tumbler Ridge and Chetwynd.
^Simon, C; Ommanney, L. (2002). "Glaciers of the Canadian Rockies". U.S. Geological Survey Professional Paper. Satellite Image Atlas of Glaciers of the World (1386–J–1): J272.