Bethel, United States The Grand Summit Hotel & Conference Center, located slopeside to Moonstruck Trail near the White Cap Base area, is Sunday River's original luxury hotel. With 230 guest rooms, the Summit is the largest slopeside hotel in the East. Amenities include a health club, heated outdoor pool, Legends Restaurant, Moonstruck Cafe, on-site childcare, game room, valet parking, and conference facilities for up to 900 people. Most units have full kitchens and home entertainment systems.