Tags: Glacier.
Petersen Glacier is in Grand Teton National Park Wyoming United States. The glacier is in a cirque to the west and above north Cascade Canyon at an altitude of approximately 10000 feet (3000 m). The glacier is named after Frank Petersen one of the first mountaineers to climb Grand Teton in 1898. Runoff from the glacier is heavy in rock flour (glacial silt) which turns the waters of Mica Lake turquoise in appearance.