Cultus Lake is one of the few lakes along the Cascade Lakes National Scenic Byway that allows high sped motorized water craft. Cultus Lake West Campground offers opportunities for waterskiing, windsurfing, swimming, sailing and jet skiing, as well as, access to trails leading into the Three Sisters Wilderness. Cultus Lake Boat In - West Campground is one of three boat-in or hike-in only campgrounds on the north side of Cultus Lake. The campground is in a very rustic setting next to the water with twelve sites available. Cultus Lake is a natural glacier-formed lake. This is a recreational lake and is popular for water skiing, sailing, jet skiing, and boating.