Lake Sylvia State Park is a quiet, 233-acre camping park with 15,000 feet of freshwater shoreline. The park is an old logging camp in a wooded area halfway between Olympia and the Pacific shore. Aside from the interesting displays of old logging gear and curiosities, the lake is good for fishing, and the rustic charm of the park makes for excellent day outings and group camping trips. The park features a giant ball carved of wood by a local logging legend. Lake and forest offer rest and rejuvenation for park visitors.

Huge, old-growth stumps are everywhere in the park. There is a giant wooden ball carved from a single log by a local logging legend. Story has it the logger could stand atop the floating ball and "walk it" from one end of the lake to the other. The area is rich with logging lore and history. When logging ceased in 1930, the dam was used to generate electricity for the town of Montesano. In 1936, Montesano donated the land to the State Parks Commission for conservation. Addditional lands were added by a trade in 1985.

A Discover Pass is required for vehicle access to Washington state parks for day use. For more information about the Discover Pass and exemptions, please visit the Discover Pass web page.

The park has 31 standard campsites, 4 partial-hookup sites, one dump station, three restrooms one ADA, and six showers four ADA. In addition, there are four primitive walk-in sites and two primitive sites for hikers and bicyclers. Most sites will accommodate either a tent or an RV. Maximum site length is 30 feet limited availability. Individual campsites are reservable from April 1 - Sept. 30.

There is one group camp available tents only for groups of up to 50 people. Parking for five vehicles is included with your group camp rental. Additional vehicles will be charged the extra vehicle fee of $10 per night. The group camp is reservable April 1 to Sept. 30.