Fee: Discover Pass required: $10 day / $45 annual. Other fees: trailer dump $5/use. Reservations: Washington State Parks reservation system
About this park
Lake Sylvia sits beside a placid lake and has a classic Western Washington forest feel. Visitors cast a line from the fishing bridge in summer or hike around the lake in fall. A partial closure of the Lake Trail was posted for trail upgrades. The park is open 8 a.m. to dusk year round.
Lake Sylvia State Park FAQ
Where is Lake Sylvia State Park located?
Lake Sylvia State Park is in Montesano, Washington, at 1812 N. Lake Sylvia Road. GPS coordinates: 47.00072, -123.59032. Get directions.
Is there an entrance fee at Lake Sylvia State Park?
Discover Pass required: $10 day / $45 annual. Other fees: trailer dump $5/use. Reservations: Washington State Parks reservation system. Fees can change by season, so confirm with the park before you go.
How do I contact Lake Sylvia State Park?
You can call (360) 249-3621. The park office can confirm RV site availability, hookups, length limits and current conditions.
Are there RV campgrounds near Lake Sylvia State Park?
Yes. The closest RV-friendly campgrounds listed on ParkedRV are:
- Coho Campground (26.9 mi, reservable)
- Falls Creek Campground (34.5 mi, reservable)
- Kalaloch (56.0 mi, reservable)
How current is this information about Lake Sylvia State Park?
This listing was last updated on October 8, 2026. If something is out of date, let us know and we'll fix it.