Folsom Peak el. 9334 feet (2,845 m) is a mountain peak in the Washburn Range of Yellowstone National Park

Yellowstone National Park

Yellowstone National Park, established by the U.S. Congress and signed into law by President Ulysses S. Grant on March 1, 1872, is a national park located primarily in the U.S. state of Wyoming, although it also extends into Montana and Idaho...

. The peak was named in 1895 by geologist Arnold Hague

Arnold Hague

Arnold Hague was a United States geologist who did many geological surveys in the U.S., of which the best known was that for Yellowstone National Park. He also had assignments in China and Guatemala. He became a member of the U. S...

 to honor David E. Folsom, a member of the Cook–Folsom–Peterson Expedition of 1869. Folsom, Peterson and Cook were some of the 1st explorers of the Yellowstone region to publish their exploration.