Yellowstone Park / Mountainside KOA Journey Events

Campground Events

Great American Tours Photo

Great American Tours

Yellowstone Park / Mountainside KOA Journey is the perfect basecamp for exploring. After a restful night in your RV or cabin, let Great American Tour Company pick you up right from the campground for a guided journey through Yellowstone's most stunning sights. Use our exclusive code: YELLKOAMJ at checkout on their website for 20% off your tour and make your adventure even more memorable.

Download the details

America's Special Birthday Celebration: 250th! Photo

America's Special Birthday Celebration: 250th!

Celebrate America's big birthday bash this Independence Day at our KOA in West Yellowstone! Independence Day Weekend (July 3–5, 2026) is also a National Park Fee-Free weekend, making it the perfect time to explore Yellowstone before or after the festivities.

We're packing the long weekend with classic campground fun and family-friendly activities on site, including a Junior Ranger Passport kickoff for kids, crafts, scavenger hunts, old-fashioned games, and a patriotic parade. Guests can enjoy mini donuts for purchase, join in all-American field day games and creative craft stations, and end each evening gathered around the campfire with s'mores. The celebration wraps up Sunday with a thank-a-ranger card activity and a Care Camp clean-up challenge, creating a festive and meaningful holiday weekend in the great outdoors near Yellowstone National Park. Check out the attached schedule for more information. Sites are filling up fast, book your stay today! 

Download the details

Local Area Events