Desolation Sound Marine Provincial Park is a provincial park in British Columbia, Canada, and is located approximately 32 km north of Powell River and 150 km north of Vancouver. This provincial marine park, which is about 84 km² in size is only accessible by boat. It is distinguished by its many picturesque sheltered coves and anchorages, and is frequented by yachts and pleasure craft. The scenery consists of waterfalls, rugged glaciated peaks, and their steep forested slopes that fall into the ocean.