The World's First KOA invites you to enjoy its historic setting along the scenic Yellowstone River. Experience our award winning campground and see why we are America's #1 Camping Host. Come be part of the fun! The world's first KOA has proven once again why this award-winning campground should be your destination of choice for a great Montana escape. The new Trailhead Adventure Golf provides fun for everyone. In summer, stop by Colter's Run Cafe for a tasty pancake breakfast or an evening meal served in an outdoor patio setting. What would summer be without ice cream? Yellowstone Yum Yum's ice cream social offers locally made ice cream flavors to enjoy on a warm night. Of course, you'll find plenty of fishing, hiking and biking near the campground, or take a short drive to Pompeys Pillar National Monument, Little Bighorn Battlefield National Monument or the Beartooth Scenic Highway. The newly remodeled family restrooms are comfortable and luxurious. You'll find a variety of accommodations - from lodging with basic amenities to spacious Patio RV Sites. You've made a great choice when you stay at Billings KOA! Limited services April 1 - April 30 and October 1 - October 31. Pool: Memorial Weekend - Labor Day Weekend. Max pull thru: 100 feet.