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Mount Whitney

 
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A peak, 4,147 m (14,491 ft) high, in the Sierra Nevada of east-central California. It is the highest elevation in the continental United States.

 

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Britannica Concise Encyclopedia: Mount Whitney
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Peak in the Sierra Nevada, southeast-central California, U.S. Located in Sequoia National Park, it is 14,494 ft (4,418 m) high, the highest point in the continental U.S. outside of Alaska. It was first climbed in 1873.

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Columbia Encyclopedia: Mount Whitney
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Whitney, Mount, peak, 14,494 ft (4,418 m) high, E Calif., in the Sierra Nevada at the eastern border of Sequoia National Park; the highest peak in the contiguous 48 states (Mt. McKinley, Alaska, is the highest peak in the United States). It is connected by a scenic highway with Death Valley. The peak is named for U.S. geologist Josiah D. Whitney, who surveyed it in 1864.

Geography: Mount Whitney
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Mountain in eastern California.

  • Highest peak in the United States, excluding Alaska.

Wikipedia: Mount Whitney
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This article is about the mountain. For the former town with this name, see Lone Pine Station, California. For the ship, see USS Mount Whitney (LCC-20).
Mount Whitney
Mount Whitney 2003-03-25.jpg
East Face close-up seen from the Whitney Portal.
Mount Whitney is located in California
Mount Whitney
Location in California
Elevation 14,505 feet (4,421 m) NAVD 88 [1]
Location Sequoia National Park / Inyo National Forest, California, USA
Range Sierra Nevada
Prominence 10,080 feet (3,070 m) [2] Ranked 81st
Parent peak El Pico de Orizaba
Coordinates 36°34′42.89″N 118°17′31.18″W / 36.5785806°N 118.2919944°W / 36.5785806; -118.2919944Coordinates: 36°34′42.89″N 118°17′31.18″W / 36.5785806°N 118.2919944°W / 36.5785806; -118.2919944 [1]
Topo map USGS Mount Whitney 36118-E3 [2]
Type Granitic
Age of rock Cretaceous
First ascent August 18, 1873 – Charles Begole, Albert Johnson, John Lucas [3]
Easiest route Mount Whitney Trail (hike)
Listing Ultra, US State High Point of California, SPS Emblem peak [4]

Mount Whitney is the highest summit in the contiguous United States with an elevation of 14,505 feet (4,421 m).[1] It is located at the boundary between California's Inyo and Tulare counties, just 76 miles (122 km) west of the lowest point in North America at Badwater in Death Valley National Park (282 feet (86 m) below sea level). The western slope of the mountain lies within Sequoia National Park and the summit is the southern terminus of the John Muir Trail which runs 211.9 miles (341.0 km) from Happy Isles in Yosemite Valley. The eastern slope lies in the Inyo National Forest in Inyo County.

Contents

Geography

The summit of Whitney lies along the Sierra Crest and near many of the highest peaks of the Sierra Nevada. Water that falls to the west of the crest flows into the Pacific Ocean, while that to the east flows into the Great Basin.[5] The peak rises 10,778 feet (3,285 m) or just over two miles above the town of Lone Pine in the Owens Valley below.

Elevation measurements

The plaque and view at the top of Mt Whitney.

The estimated elevation of the summit of Mount Whitney has changed over the years. This is not due to the peak growing (although it is). The technology of elevation measurement has become more refined and, more importantly, the vertical coordinate system has changed. The peak was commonly said to be at 14,494 feet (4,418 m) and this is the elevation stamped on the USGS brass benchmark disk on the summit. An older plaque on the summit (sheet metal with black lettering on white enamel) reads "elevation 14,496.811 feet" but this was estimated using the older vertical datum (NVGD29) from 1929. Since then the shape of the Earth (the geoid) has been estimated more accurately. Using a new vertical datum established in 1988 (NAVD88) the benchmark is now estimated to be at 14,505 feet (4,421 m).[1][6]

Geology

The eastern slope of Whitney is far steeper than its western slope. This is because the entire Sierra Nevada is result of a fault-block that is analogous to a door: the door is hinged on the west and is slowly rising on the east.[7] The rise is caused by a normal fault system that runs along the eastern base of the Sierra, below Mount Whitney. Thus, the granite that forms Mount Whitney is the same as the granite that forms the Alabama Hills thousands of feet below.[8] The raising of Whitney (and the downdrop of the Owens Valley) is due to the same geological forces that cause the Basin and Range Province: the crust of much of the intermontane west is slowly being stretched.[5]

The granite that forms Mount Whitney is part of the Sierra Nevada batholith. In Cretaceous time, masses of molten rock that originated from subduction rose underneath what is now Whitney and solidified underground to form large expanses of granite. In the last few million years, the Sierra has started to rise. This has enabled glacial and river erosion to strip the upper layers of rock to reveal the resistant granite that makes up Mount Whitney today.

360-degree panorama showing the view from Mt. Whitney at night.

History

The Smithsonian Hut Shelter on Whitney's summit.

In July 1864, the members of the California Geological Survey named the peak after Josiah Whitney, the State Geologist of California and benefactor of the Survey.[3]

During the same expedition, geologist Clarence King attempted to climb Whitney from its west side, but stopped just short. In 1871, King returned to climb what he believed to be Whitney, but having taken a different approach, he actually summited nearby Mount Langley. Upon learning of his mistake in 1873, King finally completed his own first ascent of Whitney, but did so a month too late to claim the first recorded ascent.[9]

A month earlier on August 18, 1873, Charles Begole, A. H. Johnson, and John Lucas of nearby Lone Pine, had become the first to reach the highest summit in the contiguous United States. As they were fishermen, they called the mountain Fisherman's Peak.[3] But in 1891, the United States Geological Survey's Board on Geographic Names decided to recognize the earlier name of Mount Whitney. The name Whitney has remained, resisting a movement after World War II to rename the mountain for Winston Churchill.[10]

Residents of Lone Pine financed the first trail to the summit, engineered by Gustave Marsh, and completed on July 22, 1904. Just four days later, the new trail enabled the first recorded death on Whitney. Having hiked the trail, U.S. Bureau of Fisheries employee Bryd Surby was struck and killed by lightning while eating lunch on the exposed summit. In response to this event, Marsh began work on the stone hut that would become the Smithsonian Institution Shelter, and completed in it 1909.[11]

Climbing routes

Railings on the Mount Whitney Trail switchbacks.
1962 before railings, opposite view, treacherous.

Trails

The most popular route to the summit is by way of the Mount Whitney Trail which starts at Whitney Portal (8,360 feet (2,550 m)) 13 miles (21 km) west of the town of Lone Pine. The hike is about 22 miles (35 km) round trip with an elevation gain of over 6,100 feet (1,900 m). Permits are required year round, and to prevent overuse a limited number of permits are issued by the Forest Service between May 1 and November 1.[12]

Longer approaches to Whitney arrive at its west side, connecting to the Mount Whitney Trail near the summit by way of the John Muir Trail.

Scrambles

The "Mountaineer's Route", a gully on the north side of the east face first climbed by John Muir, is considered a scramble.[13]

The Needles and Whitney's East Face.

Technical climbs

The steep eastern side of the mountain offers a variety of climbing challenges. The East Face route, first climbed in 1931, is a classic route in the Sierra Nevada and involves technical free climbing (Class 5.7) but is mostly Class 4. Other routes range up to Class 5.10.[13]

South of the main summit there are a series of minor summits that are completely inconspicuous from the west but appear as a series of "needles" from the east. The routes on these include some of the finest big-wall climbing in the high Sierra. Two of the needles were named after participants in an 1880 scientific expedition to the mountain. Keeler Needle was named for James Keeler and Day Needle was named for William Cathcart Day. The latter has now been renamed Crooks Peak after Hulda Crooks who hiked up Mount Whitney every year until well into her nineties.

See also

References

  1. ^ a b c d "Whitney". NGS data sheet. U.S. National Geodetic Survey. http://www.ngs.noaa.gov/cgi-bin/ds_mark.prl?PidBox=GT1811. Retrieved 2008-04-09. 
  2. ^ a b "Mount Whitney, California". Peakbagger.com. http://www.peakbagger.com/peak.aspx?pid=2829. Retrieved 2008-04-09. 
  3. ^ a b c Farquhar, Francis P.. Place Names of the High Sierra. San Francisco: Sierra Club. http://www.yosemite.ca.us/library/place_names_of_the_high_sierra/w.html. Retrieved 2007-08-12. 
  4. ^ "Sierra Peaks Section List". Angeles Chapter, Sierra Club. http://angeles.sierraclub.org/sps/spslist.pdf. Retrieved 2008-02-12. 
  5. ^ a b "The Great Basin". Great Basin National Park. US National Park Service. http://www.nps.gov/grba/planyourvisit/the-great-basin.htm. Retrieved 2008-04-09. 
  6. ^ "Height Conversion Methodology". U.S. National Geodetic Survey. http://www.ngs.noaa.gov/TOOLS/Vertcon/vert_method.html. Retrieved 2008-04-09. 
  7. ^ "Sierra Nevada". Ecological Subregions of California. US Forest Service. http://www.fs.fed.us/r5/projects/ecoregions/m261e.htm. Retrieved 2008-04-09. 
  8. ^ Schoenherr, Allan A. (1995). A Natural History of California. UC Press. ISBN 0-520-06922-6. 
  9. ^ King, Clarence (1902) [1872]. "Chapter XIII Mount Whitney". Mountaineering in the Sierra Nevada (10th ed.). http://www.yosemite.ca.us/library/mountaineering_in_the_sierra_nevada/13.html. Retrieved 2009-02-01. 
  10. ^ "Mount Whitney". Geographic Names Information System. U.S. Geological Survey. http://geonames.usgs.gov/pls/gnispublic/f?p=gnispq:3:::NO::P3_FID:269051. Retrieved 2009-02-01. 
  11. ^ "Mt. Whitney's Early Days". Mount Whitney History. Lone Pine Chamber of Commerce. http://www.lonepinechamber.org/history/whitneyhist2.html. Retrieved 2009-02-01. 
  12. ^ "Recreational Activities - Mt. Whitney". US Forest Service. http://www.fs.fed.us/r5/inyo/recreation/wild/mtwhitney.shtml. Retrieved 2008-04-09. 
  13. ^ a b Steve Roper (1976). The Climber's Guide to the High Sierra. Sierra Club Books. ISBN ISBN 0-87156-147-6. 

Further reading

  • Thompson, Doug; Elisabeth Newbold (1997). Mount Whitney: Mountain Lore From The Whitney Store. Westwind Publishing Company. ISBN 978-0965359603. 

External links

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Columbia Encyclopedia. The Columbia Electronic Encyclopedia, Sixth Edition Copyright © 2003, Columbia University Press. Licensed from Columbia University Press. All rights reserved. www.cc.columbia.edu/cu/cup/.  Read more
Geography. The New Dictionary of Cultural Literacy, Third Edition Edited by E.D. Hirsch, Jr., Joseph F. Kett, and James Trefil. Copyright © 2002 by Houghton Mifflin Company. Published by Houghton Mifflin. All rights reserved.  Read more
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