AAA Editor Notes
Mossyrock Dam is 3 mi. e. on US 12. Built in 1968, Mossyrock Dam, the tallest in Washington, rises 606 feet and forms 23-mile-long Riffe Lake. Hydrovista offers an overlook and interpretive displays of the hydroelectric project. Mossyrock Park is on the southwest corner of the lake.
Camping is permitted. Picnicking is permitted.