Osceola Traverse

The Osceola Traverse links Carbon River to White River across Mount Rainier's entire north side, covering 36 miles and 18,000 feet of vertical gain over four days. The route strings together prominent ridgelines, glaciers, and alpine passes into one continuous ski traverse of the mountain's wildest terrain.

From Carbon River Ranger Station at 1,700 feet, the route climbs Alki Crest to Tolmie Peak Lookout, then drops to Mowich Lake. From Mowich, the line pushes through Knapsack Pass into Mist Park and over Mount Pleasant to Spray Park. The middle section crosses the Russell Glacier shoulder and descends past the Carbon Glacier, where 3,000-foot northeast-facing descents drop through open powder fields. The route then gains Curtis Ridge before traversing toward the Burroughs and descending to the White River corridor.

Three glacier crossings define the technical character: Russell, Carbon, and Flett. Crevasse rescue gear is mandatory. The steep descents demand stable snowpack and confident skiing in consequential terrain. High-altitude camping at exposed ridgeline sites brings extreme cold and wind.

This is one of the most ambitious ski traverses on Mount Rainier. It demands advanced mountaineering skills, route-finding in unmarked terrain, and the fitness to sustain 18,000 feet of climbing across four days. The reward is uninterrupted views of Willis Wall, the Carbon Glacier icefall, and Rainier's north face from angles few people ever see.