Moran State Park is a 5,252-acre camping park with five freshwater lakes and over 30 miles of hiking trails. Atop the 2,409-foot-high Mt. Constitution, the highest point on the San Juan Islands, there stands a stone observation tower built by the Civilian Conservation Corps in 1936. The tower offers panoramic views of the surrounding islands, the Cascade Mountains and a variety of Canadian and American cities. Moran State Park opened in 1921 when Robert Moran, shipbuilder and former mayor of Seattle, donated more than 2,700 acres to the state for a park. Most of the trails, roads, bridges, and buildings in the park were built by the Civilian Conservation Corps (CCC) during the 1930s. The builders used native materials on site to construct the many stone and wooden shelters and buildings.