National Park Service · Washington
Cougar Rock Campground (Mount Rainier NP)
Near Ashford, Washington — $20–$30 a night and rigs to 35 ft by our record.
Can I bring an RV to Cougar Rock Campground?
What length RV fits Cougar Rock Campground? Our record: Cougar Rock Campground takes rigs up to 35 ft. 6 months ahead via Recreation.gov. Book on the operator's own page.
- Open: Our record: Late May through October.
Camping at Cougar Rock Campground? Tell us the nights.
One email when a Washington owner lists a rig for those nights.
On the ground
Closest NPS Rainier camp to Paradise (wildflower meadows). No timed-entry reservation is required anywhere in the park — NPS says it will not run one for any portion of Mount Rainier in 2026 and manages Paradise by parking capacity instead, so a summer weekend rewards an early start. Recreation.gov sites and first-come sites both exist.
From our record
- Open
- Late May through October
- Booking
- 6 months ahead via Recreation.gov
- On site
- Pets allowed, Fire rings, Dry / no hookups
- Camping styles
- RV-friendly, Tent camping
What a posted rig limit measures
- Pad length — the rig plus anything it tows
- Height — what the branches and the awning need
- Turning arc — the swing off the loop road
Keep planning Washington
More Washington campgrounds
- Newhalem Creek Campground (North Cascades NP/NRA)$24/night, rigs to 40 ft
- Deception Pass State Park Campground$35–$50/night, rigs to 50 ft
- Cape Disappointment State Park Campground$35–$55/night, rigs to 50 ft
- Sun Lakes-Dry Falls State Park Campground$35–$50/night, rigs to 50 ft
- All 10 Washington campgrounds
The rest of the Washington trip
Cougar Rock Campground (Mount Rainier NP) questions
- What length RV fits Cougar Rock Campground?
- Our record: Cougar Rock Campground takes rigs up to 35 ft.
- When is Cougar Rock Campground open?
- Our record: Late May through October.
- How do I reserve a site at Cougar Rock Campground?
- 6 months ahead via Recreation.gov. Book on the operator's own page.
Before you go
Washington rules for RV renters
Washington rules
Verified 2026-05-10
- Rental tax
- 9.5%
- Min driver age
- 21+ · 25+ Class A
- Gravel roads
- Allowed
- Generator quiet hours
- 22:00-07:00
- Alcohol in cabin
- No open container
- Dump station
- Strict