Amphitheater Mountain (Wyoming)

Amphitheater Mountain is a prominent 11,042-foot-elevation (3,366-meter) mountain summit located in Park County, Wyoming, United States.[2]

Amphitheater Mountain
Southwest aspect
Highest point
Elevation11,042 ft (3,366 m)[1]
Prominence1,422 ft (433 m)[1]
Parent peakPilot Peak (11,522 ft)[1]
Isolation5.60 mi (9.01 km)[1]
Coordinates44°58′25″N 109°59′55″W[2]
Geography
Amphitheater Mountain is located in Wyoming
Amphitheater Mountain
Amphitheater Mountain
Location in Wyoming
Amphitheater Mountain is located in the United States
Amphitheater Mountain
Amphitheater Mountain
Amphitheater Mountain (the United States)
LocationYellowstone National Park
Park County, Wyoming, U.S.
Parent rangeAbsaroka Range
Rocky Mountains
Topo mapUSGS Pilot Peak
Geology
Type of rockvolcanic

Description

The peak is situated southwest of the town of Cooke City, Montana, at the northeast corner of Yellowstone National Park, two miles south of the park's Northeast Entrance Station. It is part of the Absaroka Range, and a portion of the mountain is within the North Absaroka Wilderness. Topographic relief is significant as the north aspect rises over 3,600 feet (1,100 meters) above Silver Gate in two miles. Volcanoes of the early Eocene supplied the material that formed the mountain 50–55 million years ago, and here created some of the most rugged terrain in Yellowstone Park.[3] The mountain's name has been officially adopted by the United States Board on Geographic Names.[2]

Climate

According to the Köppen climate classification system, Amphitheater Mountain is located in a subarctic climate zone with long, cold, snowy winters, and cool to warm summers.[4] Temperatures can drop below −10 °F with wind chill factors below −30 °F. Precipitation runoff from the mountain drains into tributaries of the Lamar River.

  • Amphitheater Mountain with snow from Silver Gate, Montana
    Amphitheater Mountain with snow from Silver Gate, Montana
  • North aspect
    North aspect
  • From the southwest with summit left of center
    From the southwest with summit left of center
  • from north
    from north
  • subsidiary peaks on the south ridge
    subsidiary peaks on the south ridge
  • west ridge
    west ridge
  • Soda Butte and Amphitheater Mountain at sunset
    Soda Butte and Amphitheater Mountain at sunset

See also

References
  1. "Amphitheater Mountain - 11,042' WY". listsofjohn.com. Retrieved 2021-08-11.
  2. "Amphitheater Mountain". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved 2021-08-11.
  3. Mary Meagher, Douglas B. Houston, Yellowstone and the Biology of Time, 1999, University of Oklahoma Press, ISBN 9780806130064, page 142.
  4. Peel, M. C.; Finlayson, B. L.; McMahon, T. A. (2007). "Updated world map of the Köppen−Geiger climate classification". Hydrol. Earth Syst. Sci. 11 (5): 1633. Bibcode:2007HESS...11.1633P. doi:10.5194/hess-11-1633-2007. ISSN 1027-5606. S2CID 9654551.
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