320 Guest Ranch

320 Guest Ranch is a historic dude ranch founded in 1898 on more than 320 acres along the Gallatin River in Big Sky, Montana, situated between Yellowstone National Park and Big Sky Ski Resort. Surrounded by mountain peaks and lush evergreen forests, the property has grown from its original homestead into one of the region's most distinctive event destinations. The ranch offers five event venues accommodating groups of up to 200, from the year-round Banquet Hall and Conference Center to seasonal riverside sites open June through September — including a riverside tent and the open-air Point overlooking Yellowstone and the Spanish Peaks. An in-house kitchen team handles all catering and is available to design personalized menus to suit each group. Log cabin accommodations on the property can sleep more than 200 guests, making it well suited for full-ranch events.