Welcome to St. Mary KOA! Plan your Glacier National Park adventure with St. Mary KOA as your perfect basecamp! Our KOA Franchise is independently owned by the Blackfeet Nation and managed by its business enterprise, Siyeh Corporation. This KOA is uniquely positioned at the eastern gateway to Glacier National Park, just one mile from the park entrance and Going-to-the-Sun Road. Take in breathtaking views of the towering Rocky Mountain peaks, framed by the St. Mary River and Lake. Whether you're exploring Glacier's alpine wonders or relaxing at the campground, St. Mary KOA offers an unforgettable stay rooted in Blackfeet heritage and hospitality. Exploring St. Mary, MT: Escape to St. Mary, Montana, where adventure, culture, and nature come together. This location provides hiking, kayaking, and wildlife viewing just steps from your campsite. Experience the spectacular beauty of Going-to-the-Sun Road, embark on a guided Glacier Park tour, or paddle across the pristine waters of Lower St. Mary Lake and River. St. Mary KOA also offers opportunities to learn about Blackfeet culture and heritage, making your stay even more meaningful. St. Mary KOA Has a Way to Stay for Everyone! At St. Mary KOA, we offer a variety of accommodations to suit every traveler's needs, whether you're road-tripping in an RV, seeking a cozy cabin, or pitching a tent under the Montana sky.
We currently offer the following activities:
Starts: 07/09/2026 - Ends: 07/12/2026
The North American Indian Days (NAID) in 2026, hosted by the Blackfeet Nation in Browning, Montana, are historically held in July, featuring one of the largest powwows and rodeos.
Starts: 06/27/2026 - Ends: 06/27/2026
Sign up today for this beautiful scenic marathon!
A phone call is required for any cancellation that is within the week of your arrival. Otherwise, you can email the campground with your information for changing or cancelling your reservation.
A 7-day notice is required for cancellation or changes in stay for all RV and tent reservations. A $20 fee will be applied. If within the 7 days, your deposit will be forfeited.
A 14-day notice is required for cancellation or changes in stay for basic camping cabins. A $20 fee will be applied. If within the 14 days, your deposit will be forfeited.
A 30-day notice is required for cancellation or changes in stay for deluxe lodging. A $20 fee will be applied. If within the 30 days, your deposit will be forfeited.
A 30-day notice is required for cancellation or changes in stays that exceed over 7 nights, including RV, tent, and all cabins. A $20 fee will be applied. If within the 30 days, your deposit will be forfeited.
All cancelled reservations will generate a confirmation email. If you don't receive one, it is your responsibility to follow up to ensure the reservation is cancelled.