New York Ski the Berkshires and the Taconic Range Catamount Ski Area is located on Route 23 between Hillsdale, N.Y., and South Egremont, Mass. The ski area sits right on the New York and Massachusetts border, with skiing terrain on both the Berkshire Mountains and the Taconic Range. With more than 110 skiing acres with a northeastern exposure, Catamount holds a special attraction for skiers. The ski area's trails offer a challenge for every level of ability.