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Finsteraarhorn(fĭn'stərär`hôrn'), peak, 14,032 ft (4,277 m) high, S central Switzerland; highest of the Bernese Alps.
a mountain in Switzerland, the highest peak in the Bernese Alps. The Finsteraarhorn, which has an elevation of 4,274 m, is composed of gneisses and is shaped like a pyramid. Its steep slopes, with glacial cirques, are covered by snowfields and glaciers. The peak is popular with mountaineers.