The biggest uplift in the Coast Range forms a horseshoe cirque around the Tiedemann Glacier.
In 1926, Don and Phyillis Munday began exploring the mountain of mystery using small boats, cutting down trees to make bridges, ferrying loads through thick forests and up huge glaciers. The intrepid couple made the slightly lower Northwest Summit in 1928. The South Face was climbed to the summit in July of 1936 by Fritz Wiessner and William House.
Flying in with helicopter pilots Mike King is the standard approach. Some details are penciled in on the maps.
Go to John Scurlock's site for the best photographs.