Yöstmark is Teton Valley’s oldest and premier mountaineering and backcountry shop in Teton Valley, ID. Our mission is to build lasting relationships with our customers and community by providing the best tools and information for a quality outdoor experience. We pride ourselves on our customer service and our ability to provide the best gear, the best expertise, and lead our own backcountry tours, everything needed for the perfect mountain experience.

Clair Yost opened Yöstmark in 1993 and is the inventor of the Mountain Noodles, one of the first soft, fat, powder skis made for the excellent powder conditions of the Tetons. Owned and staffed by backcountry enthusiasts, Yostmark is the best source of information and gear for the backcountry whether it is skiing (nordic, telemark, and AT), snowshoeing, climbing, camping, hiking or backpacking in the Tetons and the west.

On the way to Grand Targhee Resort and the amazing backcountry of Grand Teton National Park, Teton Canyon and Teton Pass, Yostmark is your one stop shop for all your backcountry needs. Conveniently located on Ski Hill Road and Third St. in Driggs, stop by on the way to your adventure for local backcountry banter and camaraderie.


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