Lake Sylvia State Park in WA -- Campground & RV Camping in Washington
Lake Sylvia State Park in WA
WA State Parks allows overnight stays only at the designated sites here.
Nestled in northern Montesano's dense temperate rain forest, this 233-acre park centers on Lake Sylvia, created by a dam around 1909. The lush setting hosts diverse wildlife including mallard ducks, Canada geese, ospreys, occasional bald eagles, and beavers along Sylvia Creek. The park provides camping with restroom and shower facilities, an ADA-accessible playground, picnic areas, and an outdoor kitchen. Recreation includes swimming, hiking, fishing, and non-motorized boating.
Grounded in en.wikipedia.org · read August 24, 2026The road in has not been measured -- unknown, not bad.
Crowded here -- the nearest through road is 0.1 miles off, a 41-site campground. The Lake Sylvia shoreline is 0.1 mi off. Night skies measure Bortle 4 -- a rural sky with a glow on the horizon. The nearest town, Montesano, is 0.8 mi off.
September normals 48–72°F, 2.8″ rain. Monthly averages, PRISM 1991–2020.