3057m (10030ft.)

Located on the continental divide in the Valley of the Ten Peaks between Moraine Lake Valley and Tokumm Creek. The Ten Peaks, on the border of Banff & Kootenay parks, Alberta/BC border. Major headwaters Bow & Kootenay rivers.
Latitude 51; 17; 50 Longitude 116; 12; 00, Topo map 82N/08

Panorama viewpoint: Moraine Lake Road. Can be seen from Highway 1

Named by Samuel E.S. Allen in 1894. "Tonsa" is the Stoney Indian word for the number four. Official name. Other names #4 of the Ten Peaks

Photo: Mount Bowlen (left) and Tonsa from Moraine Lake

Other Information
Photo: (l-r) Mount Bowlen, Tonsa, and Mount Perren from Moraine Lake (courtesy Bennett Wong)

Tonsa is one of only three of the "Ten Peaks" that has not been renamed. An ice-filled gully known to mountaineers as the 3-3.5 couloir lies between Tonsa and Mount Bowlen. In the past it was used by climbers to access the Neil colgan Hut. After some accidents on this route it is not longer recommended.
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