Hells Canyon RV Resort & Marina Share: Recreation and TourismHotels and Motels Hells Canyon RV Resort & Marina Visit Website 1560 Port Drive Clarkston, WA 99403 (509) 758-6963 http://www.hellscanyon.net About About Marina and RV Park 47 RV spaces and 120 Boat Slips. All RV spaces have full hook-up, cable TV, water and free wireless internet connection.