State Park / State Forest
Near Coulee City, Washington: $35–$50/night, rigs to 50 ft. Open April through October. Book 9 months ahead via WA State Parks portal.
State Park / State Forest
Managing authority
Near Coulee City, Washington
How much does camping at Sun Lakes-Dry Falls State Park Campground cost, and when is it open?
Sun Lakes-Dry Falls State Park Campground near Coulee City, Washington (State Park / State Forest) — camping fee $35–$50/night, season April through October, RV size limit Up to 50 ft. Reservations: 9 months ahead via WA State Parks portal — book direct through the official channel.
The numbers
Fee range
$35–$50/night
Season open
April through October
RV size limit
Up to 50 ft
Reservation window
9 months ahead via WA State Parks portal
The insider read
Dry Falls — once 3.5 miles wide + 400 ft tall, larger than Niagara in the Ice Age. Sun Lakes for swim. Geology trail.
Original analysis from PickRV — synthesised from public sources you can verify, pulling the operational details competitor guides typically skip.
Verify at parks.wa.govOn site
Book it right
PickRV doesn't handle campground bookings — reserve direct through the official channel so policies and cancellations flow through one record.
Opens washington.goingtocamp.com
Every fact above is sourced from the managing agency's canonical page. Cross-check fee, season, and size limit before you depend on them.
Match the campground's size limit and hookup level to a vehicle category, then plan the rest of the trip.
Keep exploring
Near Amanda Park
USFSInsider tip · Lake Quinault rainforest. World's largest Sitka Spruce (191 ft) 5 min. Historic Lake Quinault Lodge restaurant.
Near Grayland
StateInsider tip · Razor clam digging — open seasons announced by WDFW. Drive-on beach (with permit). Quieter than Ocean Shores.
Near Kent
PrivateInsider tip · Closest full-hookup camp to Seattle (15 min). Sounder Train to Downtown 5 min from camp. Pet-friendly + pool.
Near Forks
NPSInsider tip · Inside the Hoh Rainforest — 12+ ft annual rain. Sphagnum moss-draped maples. The Hall of Mosses 0.8-mile trail leaves visitor center. Bring serious rain gear even in August.
Nearby & related
Sourced costs, campground directories, and the places worth a detour — the next layer of Washington trip planning.
Before you go
Washington rules
Verified 2026-05-10