Dubois, Wyoming Cabin Rentals & Ranch Lodging 2018: The Ram's Horn Guest Ranch is accepting reservations for the 2018 summer season located in the Absaroka Mountains west of Dubois, Wyoming in the beautiful Dunoir Valley. To reserve your stay with us please visit our Rates & Reservations page. We are looking forward to our 71st season of business and providing a unique ranch stay in the heart of the Greater Yellowstone Ecosystem. Keep posted for more to come as summer approaches! In the meantime, get outside and enjoy what beautiful Wyoming winters have to offer!