Here’s a place to start looking for ski resorts in eastern Canada (Ontario eastward).
Ontario
Alpine Ski Club
Beaver Valley Ski Club
Blue Mountain
Calabogie
Caledon Ski Club
Camp Fortune
Chicopee
Craig Leigth Ski Club
Dagmar
Devils Elbow
Fern Resort
Georgian Peaks
Hidden Valley Highlands
Heights of Horseshoe Ski Club
Hidden Valley Highlands Ski Area
Horseshoe Resort
Kamiskotia
Lakeridge
Loch Lomand
Mansfield Ski Club
Mount Parkenham
Mount St. Louis Moonstone
Oshawa Ski Club
Osler Bluff Ski Club
Pine Ridge Ski Club
Searchmont
Sir Sam’s
Skyloft Ski and Country Club
Snow Valley
Uplands Golf and Ski Club
Quebec
Belle Neige
Mont Edouard
Relais
Mont Rigaud
Kanasuta
Edelweiss/MSSI
Gray Rocks
Le Massif
Mt. Avalanche
Mont Alta
Mont Blanc
Mont Sainte Anne
Mont Sutton
Tremblant
Atlantic Provinces
Beneoin, Nova Scotia
Cape Smokey, Nova Scotia
Crabbe Mountain, New Brunswick
Martock, Nova Scotia
Marble, Newfoundland
Poley Mountain, New Brunswick
Wentworth, Nova Scotia
White Hills, Newfoundland