Overview East Sullivan Campground is located at the north end of Sullivan Lake about five miles east of Metaline Falls, Washington. The campground provides a unique environment where campers can enjoy many recreational opportunities. Recreation The Sullivan Lake Basin provides campers with opportunities for swimming, biking, fishing, boating and hiking. Canoeing , kayaking, paddle boarding and power boating are among the water sports popular on the lake.ย ย Campers can walk directly from their