Lake Sylvia State Park

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Set in a former logging camp above the historic town of Montesano, Lake Sylvia State Park's many charms are a centered around a large swimming and fishing lake that draws families to its shores all summer long.

Explore the 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. Park trails connect to a network of hiking and biking trails in the surrounding 5,000-acre Montesano City Forest.

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.

Lake Sylvia Legacy Pavilion, a beautiful new day-use facility, is open for reservations year-round. For more on how to book your event at the Pavilion, visit the Lake Sylvia Legacy Pavilion page.

Automated pay stations: This park is equipped with automated pay stations for visitors to purchase a one-day or annual Discover Pass and boat launch permit.

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

ADA amenities/facilities

  • Campground
  • Restroom
  • Hiking trail

Use our interactive ADA recreation map to search for other state parks with ADA amenities and facilities. 

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 and eclectic motors only)
  • Fishing (freshwater)
  • Kayak and paddle board rentals
  • Swimming
  • Watercraft launch

Other activities & features

  • Bird watching
  • Mountain biking

Additional information

  • The park has an ADA fishing dock and playground equipment.
  • Kayaks and paddle boards are available for rent from June through September. Rental fees are $20 for two hours.
  • 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.
  • Printable park brochure (PDF).