McLean Buttress [SEP] continent
McLean Buttress
McLean Buttress () is a buttress-like mountain or promontory at the north side of Webb Lake and Barwick Valley in Victoria Land, Antarctica. It rises abruptly from the valley and marks the southern limit of the cliffs known as The Fortress. It was named by the Advisory Committee on Antarctic Names for Captain Frank E. McLean, United States Coast Guard, Commanding Officer of the in the Ross Sea during Operation Deep Freeze 1970 and 1971.
George Argus, Elton Thayer (died on descent), Morton Wood, and Les Viereck. Deteriorating conditions behind the team pushed them to make the first traverse of Denali. The Great Traleika Cirque, where they camped just below the summit, was renamed Thayer Basin, in honor of the fallen climber.
- 1954 (May 27) First ascent via Northwest Buttress to North Peak by Fred Beckey, Donald McLean, Charles Wilson, Henry Meybohm, and Bill Hackett
- 1959: First ascent of the West Rib,