Frost Fire Park is a modest alpine ski area and chairlift-accessible mountain bike park in the Pembina River Gorge of North Dakota. It features a 350-foot vertical drop, 7 runs, a quad-chair lift, ski and snowboard rentals, and certified instructors for lessons. In the summer, the park offers downhill mountain biking and a live summer theater production. The park is a nonprofit organization supported by the Pembina Gorge Foundation and is located 7 miles west of Walhalla, ND.