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.

Admission
Free. Park admission Sat.-Sun. and holidays Memorial Day-Labor Day $5; rest of year, free.
Hours
Hydrovista open daily dawn-dusk. Park open daily 6 a.m.-10 p.m.
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1234 Street Address City, State 00000
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