Yellowstone Park / Mountainside KOA Journey
Overview
About This Campground
You’re staying at Yellowstone Park Mountainside KOA Journey just outside West Yellowstone. RV sites offer 20/30/50 amp, water, and some pull-throughs up to 110 ft with mountain views, while tent sites include creek views and large fire pits. Cabins are available, and the grounds are bear country with clean showers and an on-site store; expect high demand in peak season and some traffic noise from the main road.
Highlights
✅ BOOK IF: You need hookups up to 110 ft and 20/30/50A with water and proximity to West Yellowstone • ❌ SKIP IF: You crave total off-grid solitude and pristine forest seclusion
RV sites, Tent sites, Cabins
Mountain views from pull-through sites; creek views from some tent sites
West Yellowstone amenities; Yellowstone entrance area; approx. 7.5 miles to West Entrance
Family Friendly
Family-friendly with playground and KampK9 dog park; some sites near main road may see more noise; bring earplugs for quiet hours
Best Time to Visit
Mid-May to October; peak in July-August
Camping Tips
- Book early in peak season; KOA Mountainside fills fast
- Bring a headlamp for 2am bathroom runs
- Expect mixed ground surfaces; pack leveling blocks and ground cover
- Store food properly; bear country precautions
RV Driver Intel
RV-ready pull-throughs up to 110 ft; mix of gravel and grass sites; internal roads are a mix of paved and gravel; plan for possible tree branches on larger rigs
Functional basecamp near Yellowstone with mountain views and kid-friendly amenities; not a remote wilderness retreat—some sites feel close to neighbors, and traffic noise is present
Showers are clean, spacious, and hot; laundry availability not documented
What Campers Say
Expect clean showers and bathrooms with ample hot water; some sites feel parking-lot oriented and dusty, with tree obstructions for very large rigs; proximity to West Yellowstone is convenient and makes day trips to the park easy
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