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Community & Environment > Parks & Recreation > Mossyrock Park

Mossyrock Park

Black-and-white map of Mossyrock Park showing multiple campground areas and detailed inset maps along Riffe Lake. The main overview map labels the main campground, Cascade Loop, S’mores Loop, Bird’s Eye Loop, primitive group camps, trails, and main park road, with parking areas and an ADA-only lot. Insets provide close-up layouts of the main campground, Bird’s Eye Loop, Cascade Loop, S’mores Loop, and Ajlune Lookout and Nesika Landing, each with numbered campsites. Icons throughout mark amenities such as restrooms, showers, swimming area, picnic/day-use areas, playgrounds, parking, boat launch, dump station, kitchen shelter, dog park, and trails, with a legend explaining symbols.

Click to enlarge.

Mossyrock Park is a family-friendly destination offering access to Riffe Lake in Lewis County, with opportunities for camping, boating, swimming, and picnicking.

Boat launch access, swim areas, and lake levels may vary throughout the year. Get information about day-use and boat launch availability.

Plan your visit:

We are currently accepting applications for seasonal positions at our parks and hydro projects.

Embrace the great outdoors and be part of our dynamic team. Revel in the joy of physical activity and engaging tasks that make a positive impact on nature and the experiences of our visitors. 

Now hiring:
Cowlitz Seasonal Park and Grounds Maintenance Aide

Individual campsites

  • 152 individual campsites, including 76 with water and electric hookups

Group camps

  • Two primitive group camps (12 sites total, no hookups)

Please note: All parks are closed Dec. 20–Jan. 1. Learn more about availability, reservations, and fees. 

  • Boat launch and day use area: Open year-round, lake levels permitting.

  • Parking fee: A $10 parking fee is charged on Fridays, Saturdays, Sundays, and holidays between Memorial Day and Labor Day

  • Parking availability: When day-use parking areas are full, additional visitors may be turned away until spaces become available

  • Seasonal closure: Day-use areas are closed Dec. 20–Jan. 1

  • Boat launch (lake level permitting)

  • Swimming area

  • Disc golf

  • Playground

  • Dog park

  • Horseshoe pits

  • Volleyball court

  • Picnic tables and fire rings at all campsites

  • Fish cleaning station

  • Coin-operated showers

  • Water faucets throughout the campground

  • Reservable kitchen shelter

  • Concessionaire: Nisser’s Snack Shack

  • Wheelchair-accessible campsites and restrooms

  • Half-mile trail

  • 3.5-mile loop trail (includes 0.8 miles that are wheelchair accessible)

From Tacoma, take Interstate 5 south to Highway 12 East (Exit 68). Drive east on Highway 12 for approximately 21 miles. Turn right on Williams Street (flashing yellow light). Continue several blocks on Williams Street to a “T” intersection in the town of Mossyrock. Turn left onto State Street. Outside of town, State Street becomes Mossyrock Road East and then Ajlune Road. Ajlune Road leads into the park.

Mossyrock Park Latitude: N 46 30 58.6; Longitude: W 122 25 24.5

Address
Mossyrock Park
202 Ajlune Rd.
Mossyrock, WA 98564

Contacts
Park office: 360-983-3900
Fishing and recreation line: 888-502-8690
Reservations: 833-290-8180

To apply to become a volunteer camp host, please call 360-983-3900.