Watch David Lama and Katherine Choong on Classic Supertramp

David Lama and Katherine Choong climb the classic Supertramp in the Glarus Alps in Switzerland. The 400-metre 5.11 on the north face of the Grosser Bockmattliturm was first climbed in 1980 by Martin Scheel and Gregor Benisowitsch in 1980.
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Winter Climbing Essentials: Gear We’re Loving This Snowy Season
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