Lake Sylvia State Park

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Adults, kids and adult kids, go play at Lake Sylvia State Park!

Hidden in the hills between Olympia and the Washington Coast, Lake Sylvia is a classic state park. Set in a former logging camp above the historic town of Montesano, park life revolves around a large swimming and fishing lake that draws families to its shores all summer long.  

While children head straight for the water or the playground, grown-ups and teens take advantage of the old logging roads-turned-bike-trails. You may end your day muddy, tired and happy after a day of hard riding. 

Hikers come from all around Southwest Washington to cover the year-round, 5-mile loop trail, which rolls gently from the campground, over wetlands and a small covered bridge. A walk around the lake reveals a dam that provided hydro-electric power to the logging camp in the early 1900s.

The kids won’t want to get out of the water on a warm summer day, so why not make it a campout at this charming family park?   

Park features

Lake Sylvia State Park is a wooded 252-acre camping park with 15,000 feet of freshwater shoreline. Aside from displays of 20th Century logging gear, the lake offers abundant fishing, and the rustic charm of the park makes for excellent day and group camping trips.

  1. Activities
  2. Boating
  3. Camping
  4. History
  5. Maps

ADA amenities/facilities

  • Campground
  • Restroom
  • Hiking trail

Picnic & day-use facilities

The park provides one kitchen shelter with electricity, one sheltered picnic table, and 75 unsheltered picnic tables. To make a reservation, visit online or call (888) CAMPOUT or (888) 226-7688.



  • 0.5 miles of ADA hiking trails
  • 5 miles of hiking trails

Water activities & features

  • Boating (non-motorized)
  • Boat ramp
  • Fishing (freshwater)
  • Swimming

Other activities & features

  • Bird watching
  • Mountain biking

Additional information

  • The park has an ADA fishing dock and playground equipment.
  • A recreational license is required for fishing and shellfish harvesting at Washington state parks. For regulations, fishing season information, or to purchase a recreational license, visit the Washington Department of Fish and Wildlife.