America's Wildest Winter Adventures
The Venue: Frozen gorges of Minnesota’s Sawtooth Mountains.
The Adventure: More than 50 whitewater streams cut precipitous paths through the Sawtooth Mountains while rushing en route to Lake Superior on Minnesota’s North Shore. In winter the rivers’ surfaces freeze, while below the whitewater continues to roar. The University of Minnesota Duluth’s Outdoors Program guides adventurers up these mostly frozen gorges for a unique activity called rivering: roped together for safety, participants on cross-country skis and snowshoes negotiate the path, skirting open water and rapids that rage even in below-zero temps.