Cougar Rock Campground - Mount Rainier National Park — RV Camping in Washington, US

Cougar Rock Campground sits in the southwest section of Mount Rainier National Park, 14 miles east of Ashford, Washington, offering 179 individual campsites nestled among tall evergreen trees at 3,180 feet elevation. This rustic facility provides essential amenities including flush toilets and fire grates, accommodating RVs up to 35 feet and trailers up to 27 feet. Located conveniently near Longmire and the park's most popular destination at Paradise, the campground serves as an excellent base for exploring the Pacific Northwest's most iconic mountain landscapes. Visitors enjoy direct access to the renowned Wonderland Trail—a challenging 93-mile hiking route for experienced backcountry enthusiasts—along with numerous day hikes offering spectacular views of Mount Rainier, a majestic 14,411-foot glacier-clad volcano. Wildlife encounters, particularly with foxes and other forest animals, are common, adding to the authentic wilderness experience. With its forested mountain setting and proximity to world-class hiking and alpine views, Cougar Rock delivers an unforgettable backcountry camping experience in Washington's most visited national park, operating from late May through late September.