Whitney Glacier, Glacier on Mount Shasta, California
Whitney Glacier is an active glacier on the north face of Mount Shasta in northern California. It begins near the summit and runs down a long slope, forming deep crevasses and distinct ice walls along its path.
The glacier was first officially documented by American scientists in the late 19th century. Since then, researchers have tracked its extent and found that it has pulled back considerably over the course of the 20th century.
Whitney Glacier takes its name from Josiah Whitney, a geologist who surveyed California in the 19th century. His name ties the place to the early history of scientific exploration in the American West.
The glacier is only reachable by experienced mountaineers who are comfortable traveling on ice and carry the right gear. Weather on the mountain can shift fast, so thorough preparation before heading up is essential.
Whitney Glacier is considered the longest glacier in California. Because it sits on an active volcano, heat from below affects how the ice moves and melts at its base, which sets it apart from most glaciers in the country.
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