Ellen Miller (mountaineer)

Ellen Elizabeth Miller (born c. 1959) is an American mountaineer, fitness coach and community activist from Vail, Colorado. Over a 25-year career in high altitude mountaineering, she became the first and only American woman to summit Mount Everest from both the North and the South approaches and was the first American woman to climb the "Himalayan Triple Crown", summiting Nuptse, Everest and Lhotse.