Mount Lewis (California)

Mount Lewis is a 12,350-foot-elevation (3,764 meter) mountain summit located along the crest of the Sierra Nevada mountain range, in Mono County of northern California, United States.[1] It is situated in the Ansel Adams Wilderness, on land managed by Inyo National Forest. The summit lies less than one mile outside of Yosemite National Park's eastern boundary, and some of the lower western slope lies within the park. The mountain rises 1.8 miles (2.9 km) southeast of Mono Pass, 1.5 miles (2.4 km) northeast of Parker Pass, and two miles north of Parker Peak, which is the nearest higher neighbor.[2] Topographic relief is significant as it rises over 5,200 feet (1,600 meters) above Grant Lake in four miles which makes the mountain visible from Highway 395.

Mount Lewis
East aspect
Highest point
Elevation12,350 ft (3,764 m)[1]
Prominence1,200 ft (370 m)[2]
Parent peakKuna Peak (13,002 ft)[3]
Isolation2.00 mi (3.22 km)[3]
ListingVagmarken Club Sierra Crest List[4]
Coordinates37°50′33″N 119°11′23″W[1]
Dimensions
Length3 mi (4.8 km) North-South
Width2 mi (3.2 km) East-West
Naming
EtymologyWashington Bartlett "Dusty" Lewis
Geography
Mount Lewis is located in California
Mount Lewis
Mount Lewis
Location in California
Mount Lewis is located in the United States
Mount Lewis
Mount Lewis
Mount Lewis (the United States)
LocationAnsel Adams Wilderness
Mono County, California, U.S.
Parent rangeSierra Nevada
Topo mapUSGS Koip Peak
Geology
Age of rockCretaceous
Mountain typeFault block
Type of rockMetamorphic rock,[5] Granodiorite
Climbing
First ascentUnknown[6]
Easiest routeclass 2[3] West slope

Etymology
W.B. Lewis

The mountain is named in memory of Washington Bartlett "Dusty" Lewis (1884–1930), Superintendent of Yosemite National Park for 11 years from 1917 through 1928.[1][7] He played a leading part in the development of the park and in standardizing uniforms for National Park Service employees. This geographical feature's name was officially adopted in 1930 by the U.S. Board on Geographic Names.[1] Prior to 1930 this landform was known as Johnson Peak.[1]

Climate

According to the Köppen climate classification system, Mount Lewis is located in an alpine climate zone.[8] Most weather fronts originate in the Pacific Ocean, and travel east toward the Sierra Nevada mountains. As fronts approach, they are forced upward by the peaks (orographic lift), causing them to drop their moisture in the form of rain or snowfall onto the range. Precipitation runoff from this mountain drains into headwaters of Parker and Walker Creeks, both of which are tributaries of Rush Creek, which empties into Mono Lake.

  • West aspect seen from Mammoth Peak
    West aspect seen from Mammoth Peak
  • North aspect of Mt. Lewis from Mono Pass Trail
    North aspect of Mt. Lewis from Mono Pass Trail
  • Mount Wood, Parker Peak, Koip Peak, and Mount Lewis (right)
    Mount Wood, Parker Peak, Koip Peak, and Mount Lewis (right)
  • Mt. Lewis above Lower Sardine Lake
    Mt. Lewis above Lower Sardine Lake
  • Mt. Lewis rises above Lower Sardine Lake (summit centered in back)
    Mt. Lewis rises above Lower Sardine Lake (summit centered in back)
  • W. B. Lewis circa 1926
    W. B. Lewis circa 1926
  • Daniel Hull, Stephen T. Mather, and W. B. Lewis in 1924
    Daniel Hull, Stephen T. Mather, and W. B. Lewis in 1924
  • Mt. Lewis (right) seen from Highway 158
    Mt. Lewis (right) seen from Highway 158
  • South aspect of Mt. Lewis (right) seen from Koip Peak Pass, (Parker Pass to left).
    South aspect of Mt. Lewis (right) seen from Koip Peak Pass, (Parker Pass to left).

See also

References
  1. "Mount Lewis". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved 2022-06-08.
  2. "Mount Lewis, California". Peakbagger.com. Retrieved 2022-06-08.
  3. "Lewis, Mount - 12,324' CA". listsofjohn.com. Retrieved 2022-06-08.
  4. "Vagmarken Sierra Crest List". Angeles Chapter, Sierra Club. Retrieved 2022-06-08.
  5. Mary Hill (2006), Geology of the Sierra Nevada, University of California Press, ISBN 9780520936942, p. 174.
  6. Edward S. Robbins and Alfred W. Baxter, Jr., A Climber’s Guide to the High Sierra, (1954)
  7. John W. Bingaman, Guardians of the Yosemite (1961)
  8. "Climate of the Sierra Nevada". Encyclopædia Britannica.
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