Mark the Mountain Guide author, Mark Seaton, is a British mountain guide who lives with his wife and children in the Chamonix valley. He guides climbers and skiers in the French, Swiss and Italian Alps. Seaton's accomplishments as a professional mountain guide include the first complete unassisted British guided ascent of the Eiger Nordwand with his client Charles Sherwood in 2007. In 2008, Seaton & Sherwood teamed up again to complete a traverse of Mont Blanc via an ascent of Aiguille Blanche de Peuterey, the most difficult 4000-m summit in the Alps. In 1996, Mark led Don Planner, the first blind man to climb
Geladaindong Peak on the same expedition. Mark Newcomb was a guide with Exum Guides from Grand Teton National Park. Although a dangerous peak to climb, Geladaindong is popular among Chinese mountain climbers. In 1994, the Mountaineering Association of Peking University (MAPKU) became the first Chinese climbing team to reach the summit of Geladaindong. Geladaindong Peak Geladaindong Peak (also spelled Geladandong, Geladaintong or Kolha Dardong) is a snow-covered mountain (or massif) located in southwestern Qinghai province of China near the border of Tibet Autonomous Region. It is the tallest mountain in the Tanggula Mountain Range of the Tibetan Plateau with an elevation of