If you are in search of an Authorized Heartland RV Dealer, ROCKY MOUNTAIN - MT is here to serve you. ROCKY MOUNTAIN - MT and Heartland RV are committed to helping with your Heartland RV Product needs for you and your family. ROCKY MOUNTAIN - MT is your authorized BUTTE, MT Heartland RV Dealer for the following Heartland brands: Bighorn, Bighorn Traveler, Landmark 365, Cyclone, and Lithium. You can find this Heartland RV dealership, ROCKY MOUNTAIN - MT, located at 5001 HARRISON AVENUE or call them at 406-494-2555. With Heartland’s strong commitment to its customers and cutting-edge innovation of quality Heartland products, we are certain you will find the Toy Hauler, Travel Trailer or Fifth Wheel you are looking for today.