Silver Lake, in Washington, United States, is both a marsh and unincorporated area located about 30 miles (48 km) west of Mount St. Helens. It is home to a nature trail, and the visitor center for the Mount St. Helens National Monument. The lake itself is 3,000 acres (12 km²) in size and camping is available at Seaquest State Park, which occupies 475 acres (192 ha) along 1 mile (1.6 km) of the lakeshore. Camping, fishing, and boating also available at Silver Lake Resort, Streeters Resort, and Mt. St.