State Park / State Forest
Near Ilwaco, Washington: $35–$55/night, rigs to 50 ft. Open Year-round. Book 9 months ahead via WA State Parks portal.
State Park / State Forest
Managing authority
Near Ilwaco, Washington
How much does camping at Cape Disappointment State Park Campground cost, and when is it open?
Cape Disappointment State Park Campground near Ilwaco, Washington (State Park / State Forest) — camping fee $35–$55/night, season Year-round, 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–$55/night
Season open
Year-round
RV size limit
Up to 50 ft
Reservation window
9 months ahead via WA State Parks portal
The insider read
Mouth of the Columbia River. Two historic lighthouses on the headlands. Lewis & Clark NHP visitor center.
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 Coulee City
StateInsider tip · Dry Falls — once 3.5 miles wide + 400 ft tall, larger than Niagara in the Ice Age. Sun Lakes for swim. Geology trail.
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.
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