John Muir Wilderness Area
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The John Muir Wilderness is a
wilderness area Wilderness or wildlands (usually in the plural) are Earth's natural environments that have not been significantly modified by human activity, or any nonurbanized land not under extensive agricultural cultivation. The term has traditionally ...
that extends along the crest of the
Sierra Nevada The Sierra Nevada ( ) is a mountain range in the Western United States, between the Central Valley of California and the Great Basin. The vast majority of the range lies in the state of California, although the Carson Range spur lies primari ...
of
California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...
for , in the Inyo and
Sierra National Forest Sierra National Forest is a U.S. national forest located on the western slope of the central Sierra Nevada in California, bounded on the northwest by Yosemite National Park and on the south by Kings Canyon National Park. The forest is known for ...
s. Established in 1964 by the
Wilderness Act The Wilderness Act of 1964 () is a federal land management statute meant to protect U.S. Wilderness Area, federal wilderness and to create a formal mechanism for designating wilderness. It was written by Howard Zahniser of The Wilderness Socie ...
and named for naturalist
John Muir John Muir ( ; April 21, 1838December 24, 1914), also known as "John of the Mountains" and "Father of the national park, National Parks", was a Scottish-born American naturalist, author, environmental philosopher, botanist, zoologist, glaciologi ...
, it encompasses . The wilderness lies along the eastern escarpment of the Sierra from near
Mammoth Lakes Mammoth Lakes is the only incorporated town in Mono County, California, United States. It is located immediately to the east of Mammoth Mountain, at an elevation of . As of the 2020 United States census, the population was 7,191, reflecting a ...
and
Devils Postpile National Monument A devil is the personification of evil as it is conceived in many and various cultures and religious traditions. Devil or Devils may also refer to: * Satan * Devil in Christianity * Demon * Folk devil Art, entertainment, and media Film and ...
in the north, to Cottonwood Pass near
Mount Whitney Mount Whitney (Paiute: ''Too-man-i-goo-yah'' or ''Too-man-go-yah'') is a mountain in the Sierra Nevada mountain range of California, and the highest point in the contiguous United States, with an elevation of . It lies in East–Central Califor ...
in the south. The wilderness area also spans the Sierra crest north of
Kings Canyon National Park Kings Canyon National Park is a national park of the United States in the southern Sierra Nevada, in Fresno and Tulare Counties, California. Originally established in 1890 as General Grant National Park, the park was greatly expanded and ren ...
, and extends on the west side of the park down to the
Monarch Wilderness The Monarch Wilderness (also Monarch Wilderness Complex) is a federally designated wilderness area located 70 miles east of Fresno, California, in the Sierra Nevada mountain range. It encompasses within both the Sequoia National Forest and the ...
.


Geography and geology

The wilderness contains some of the most spectacular and highest peaks of the Sierra Nevada, with 57 peaks over in elevation. The peaks are typically made of granite from the
Sierra Nevada Batholith The Sierra Nevada Batholith is a large batholith that is approximately 400 miles long and 60-80 miles wide which forms the core of the Sierra Nevada mountain range in California, exposed at the surface as granite. The batholith is composed of ...
, and are dramatically shaped by
glacial A glacier (; or ) is a persistent body of dense ice, a form of rock, that is constantly moving downhill under its own weight. A glacier forms where the accumulation of snow exceeds its ablation over many years, often centuries. It acquires ...
action. The southernmost glacier in the United States, the
Palisade Glacier The Palisade Glacier is a glacier located on the northeast side of the Palisades (California Sierra), Palisades within the John Muir Wilderness in the central Sierra Nevada (U.S.), Sierra Nevada of California. The glacier descends from the flanks ...
, is contained within the wilderness area. Notable east-side glaciated canyons are drained by
Rock Rock most often refers to: * Rock (geology), a naturally occurring solid aggregate of minerals or mineraloids * Rock music, a genre of popular music Rock or Rocks may also refer to: Places United Kingdom * Rock, Caerphilly, a location in Wale ...
,
McGee McGee or McGees may refer to: People * McGee (surname), a surname of Irish origin, including a list of people with this surname Places United States *McGee, Missouri *McGees, Washington *McGee, West Virginia Infrastructure *McGees Bridge Mc ...
and Bishop Creeks. The eastern escarpment in the wilderness rises from from base to peak, in . The Sierra crest contains peaks from in elevation, including
Mount Whitney Mount Whitney (Paiute: ''Too-man-i-goo-yah'' or ''Too-man-go-yah'') is a mountain in the Sierra Nevada mountain range of California, and the highest point in the contiguous United States, with an elevation of . It lies in East–Central Califor ...
, the highest peak in the
continental United States The contiguous United States, also known as the U.S. mainland, officially referred to as the conterminous United States, consists of the 48 adjoining U.S. states and the District of Columbia of the United States in central North America. The te ...
. Other notable mountains in the wilderness area include the Palisades and
Mount Humphreys Mount Humphreys is a mountain peak in the Sierra Nevada on the Fresno- Inyo county line in the U.S. state of California. It is the 13th highest peak in California (the highest peak that is not a fourteener), and the highest peak in the Bishop ...
.
Mount Muir Mount Muir is a peak in the Sierra Nevada of California, south of Mount Whitney. This peak is named in honor of John Muir, a geologist, conservationist and founder of the Sierra Club. The southernmost section of the John Muir Trail contour ...
is located 2 miles south of
Mount Whitney Mount Whitney (Paiute: ''Too-man-i-goo-yah'' or ''Too-man-go-yah'') is a mountain in the Sierra Nevada mountain range of California, and the highest point in the contiguous United States, with an elevation of . It lies in East–Central Califor ...
.
Mount Williamson Mount Williamson, at an elevation of , is the second-highest mountain in both the Sierra Nevada (U.S.), Sierra Nevada range and the state of California, and the sixth-highest peak in the contiguous United States. Geography Williamson stands i ...
is the second-highest peak in the wilderness, at : it rises in one continuous sweep of granite from the floor of the
Owens Valley Owens Valley (Mono language (California), Mono: ''Payahǖǖnadǖ'', meaning "place of flowing water") is an arid valley of the Owens River in eastern California in the United States. It is located to the east of the Sierra Nevada (U.S.), Sierra ...
to a peak just east of the main range.


Ecology

The John Muir Wilderness contains the largest contiguous area above in the continental United States. It contains large areas of subalpine meadows and
fellfield A fellfield or fell field comprises the environment of a slope, usually alpine or tundra, where the dynamics of frost (freeze and thaw cycles) and of wind give rise to characteristic plant forms in scree interstices. Soil dynamics The freeze-tha ...
s above , containing stands of whitebark and
foxtail pine ''Pinus balfouriana'', the foxtail pine, is a rare high-elevation pine that is endemic to California, United States. It is closely related to the Great Basin and Rocky Mountain bristlecone pines, in the subsection ''Balfourianae''. Descriptio ...
. From to , the wilderness is dominated by
lodgepole pine ''Pinus contorta'', with the common names lodgepole pine and shore pine, and also known as twisted pine, and contorta pine, is a common tree in western North America. It is common near the ocean shore and in dry montane forests to the subalpin ...
s. Below the lodgepole forest is forest dominated by
Jeffrey pine ''Pinus jeffreyi'', also known as Jeffrey pine, Jeffrey's pine, yellow pine and black pine, is a North American pine tree. It is mainly found in California, but also in the westernmost part of Nevada, southwestern Oregon, and northern Baja Califo ...
. Common animals in the wilderness include
yellow-bellied marmot The yellow-bellied marmot (''Marmota flaviventer''), also known as the rock chuck, is a large, stout-bodied ground squirrel in the marmot genus. It is one of fourteen species of marmots, and is native to mountainous and semi-arid regions of south ...
s,
pika A pika ( , or ) is a small, mountain-dwelling mammal native to Asia and North America. With short limbs, a very round body, an even coat of fur, and no external tail, they resemble their close relative the rabbit, but with short, rounded ears. ...
s,
golden-mantled ground squirrel The golden-mantled ground squirrel (''Callospermophilus lateralis'') is a ground squirrel native to western North America. It is distributed in the Rocky Mountains of British Columbia and Alberta, and through much of the western United States. D ...
s,
Clark's nutcracker Clark's nutcracker (''Nucifraga columbiana''), sometimes referred to as Clark's crow or woodpecker crow, is a passerine bird in the family Corvidae, native to the mountains of western North America. The nutcracker is an omnivore, but subsists mai ...
s,
golden trout The California golden trout (''Oncorhynchus aguabonita or Oncorhynchus mykiss aguabonita'') is a species of trout native to California. The golden trout is normally found in the Golden Trout Creek (tributary to the Kern River), Volcano Creek (tr ...
, and black bears. The wilderness area also includes California bighorn sheep zoological areas, which are set aside for the protection of the species.


Recreation

The wilderness contains of hiking trails, including the
John Muir Trail The John Muir Trail (JMT) is a long-distance trail in the Sierra Nevada (U.S.), Sierra Nevada mountain range of California, passing through Yosemite National Park, Yosemite, Kings Canyon National Park, Kings Canyon and Sequoia National Park, Se ...
and the
Pacific Crest Trail The Pacific Crest Trail (PCT), officially designated as the Pacific Crest National Scenic Trail, is a long-distance hiking and equestrian trail closely aligned with the highest portion of the Cascade and Sierra Nevada mountain ranges, which lie ...
, which run through the wilderness from north to south. The John Muir Wilderness is the second most-visited wilderness in the United States, and quotas for overnight use have been implemented on virtually all trailheads.


Lakes

* Dingleberry Lake * Disappointment Lake *
Hell for Sure Lake In religion and folklore, hell is a location or state in the afterlife in which souls are subjected to punishment after death. Religions with a philosophy of history#Cyclical and linear history, linear divinity, divine history sometimes depic ...
* Loch Leven * Lake of the Lone Indian * Mills Lake *
Nüümü Hu Hupi Nüümü Hu Hupi (formerly Squaw Lake) is a small lake in the eastern Sierra Nevada, near the John Muir Trail in John Muir Wilderness. It is located west-northwest of Mount Izaak Walton and north-northeast of Lake Thomas A Edison. at an altitu ...
*
Pee Wee Lake Pee Wee Lake is a lake in Inyo County, California, in the United States. Pee Wee Lake was named for its small size. See also * List of lakes in California There are more than 3,000 named lakes, reservoirs, and dry lakes in the U.S. state o ...
* Lake Virginia


See also

* Bibliography of the Sierra Nevada, for further reading


References


External links


Wilderness.net

TopoQuest map
{{Authority control Wilderness areas of California Protected areas of the Sierra Nevada (United States) Inyo National Forest Sierra National Forest Protected areas of Fresno County, California Protected areas of Inyo County, California Protected areas of Madera County, California Protected areas of Mono County, California Protected areas established in 1964 1964 establishments in California