Big Sky and Yellowstone Whitewater Rafting Trips! Experience Montana’s most wild and scenic rivers. We adventure on the Gallatin, Madison and Yellowstone Rivers. Come hang on for the thrill, or relax on a scenic float. We specialize in rafting, zipline, fishing and tubing trips suitable for families, first-timers, and fun-seekers. Montana Whitewater is a locally owned and operated adventure company that can proudly say we do everything to make each trip the best possible experience. Getting to know our guests is one of the most important and enjoyable aspects of our profession. Our Yellowstone Zipline adventure park is also located here at our Gallatin River office near Big Sky Montana. You can choose to do a Classic 2-Hour Zip with 3 lines or a Super 3.5-Hour Zip with 6 lines and more adventure elements. Introductory Fly Fishing Classes. If it's rafting, fishing, ziplining, or horseback riding... we'd love to be your adventure outfitter in the Big Sky, Bozeman and Yellowstone Area.