× × High Country Glades 5021 NYS Route 86 , Wilmington, NY 12997 Share Now Save Page chevron_left chevron_right About Black Diamond off of the Mackenzie Trails. The most open spaced glades this area of the mountain. Other Features Ungroomed Wilderness Skiing Details Address: 5021 NYS Route 86 , Wilmington, NY 12997 Phone: 518.523.2445 Website: whiteface.com Email: info@lakeplacid.com Get Directions Additional Info Whiteface Mountain ski trail map Share to: Share by Email Copy URL