Thorington explored and climbed around the Columbia Icefield, doing first ascents of Mts. Hooker, Kane, Oates, Gilgit, Coronation, Terrace, Nanga Parbat, Trutch, Saskatchewan, North Twin, Barnard, etc. He also climbed MtsRobson, Lynx, Columbia, Athabaska and Freshfield. His guides were Conrad Kain and Edward Feuz.
A survey of early alpine wanderings in the Canadian Rockies. Contents: 1. Lake Louise: The Entrance to the Northland, 2. Trails of the Waputik, 3. The Freshfield Group, 4. The Mountains of the Alexandra Angle, 5. The Ascent of the North Twin, 6. Mount Saskatchewan and Mount Columbia, 7. Passage of the Saskatchewan Glacier, 8. Athabaska Pass and the Voyageurs, 1811-1827, 9. Athabaska Pass and the Voyageurs, 1846-1872, 10. Nineteenth Century Speculation in Regard to Altitude at Athabaska Pass, 11. The Mountains of the Whirlpool, 12. Climbs from the Scott Glacier, 13. The Ramparts and Mount Fraser, 14. In the Shadow of Mount Robson, 15. Trails End.
