Ski Mont Castor located on Mont Castor, in Ste-Agathe, was a ski hill that operated from 1962 to 1995. It once operated 2 T-bar ski lifts. At the base of the ski hill is now located Maximise (), an all-season ski/snowboard slopestyle training facility, with rails and big air, water landing ponds, trampolines, and airbag landings; and includes a winter snowpark, with rope-tow ski lift.
