Blue Mountain Design Address: 28 State Route N, Blue Mountain Lk, NY 12812 Phone: (518) 352-7636 Nonclassified Establishments Other Businesses: Blue Mountain Lake Inn at Main St, Blue Mountain Lk, NY 12812 Hemlock Hall at Maple Lodge Rd, Blue Mountain Lk, NY 12812 Blue Mountain Center at RR 28, Blue Mountain Lk, NY 12812