Heyburn State Park

Heyburn State Park is an Idaho state park in Benewah County, Idaho in the United States. The park, founded in 1908, is the oldest state park in the Pacific Northwest. There are of land and of water in the park on three lakes. Heyburn Lake State Park is open for year-round recreation including camping, boating, hiking, horseback riding, fishing, and picnicking. A dam constructed on the Spokane River in Spokane in 1906 raised the level of Lake Coeur d'Alene and connected it to the three lakes (Benewah, Chatcolet, and Hidden) of the park. The surface elevation of the lakes is above sea level.