Feather Peak is a mountain summit located west of the Royce Lakes in 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 ...

mountain range in northern

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 ...

, United States. It is situated in

Fresno County Fresno County (), officially the County of Fresno, is a county located in the central portion of the U.S. state of California. As of the 2020 United States census, the population was 1,008,654. The county seat is Fresno, the fifth-most populo ...

, in the

John Muir Wilderness The John Muir Wilderness is a wilderness area that extends along the crest of the Sierra Nevada of California for , in the Inyo National Forest, Inyo and Sierra National Forests. Established in 1964 by the Wilderness Act and named for naturalist ...

, on land managed by

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 ...

. It is set east-northeast of Seven Gables, and northwest of

Royce Peak Royce Peak, also known as Mount Royce, is a mountain summit located west of the Royce Lakes in the Sierra Nevada mountain range in northern California, United States. It is situated in Fresno County, in the John Muir Wilderness, on land managed ...

, which is the nearest higher neighbor. Feather Peak ranks as the 99th-highest summit in California. The

first ascent In mountaineering and climbing, a first ascent (abbreviated to FA in climbing guidebook, guide books), is the first successful documented climb to the top of a mountain or the top of a particular climbing route. Early 20th-century mountaineers a ...

of the summit was made in July 1933 by

David Brower David Ross Brower ( ; July 1, 1912 – November 5, 2000) was a prominent environmentalist and the founder of many environmental organizations, including the John Muir Institute for Environmental Studies (1997), Friends of the Earth (1969), Ear ...

, who also named this peak.

Climate

According to the

Köppen climate classification The Köppen climate classification divides Earth climates into five main climate groups, with each group being divided based on patterns of seasonal precipitation and temperature. The five main groups are ''A'' (tropical), ''B'' (arid), ''C'' (te ...

system, Feather Peak is located in an

alpine climate Alpine climate is the typical climate for elevations above the tree line, where trees fail to grow due to cold. This climate is also referred to as a mountain climate or highland climate. Definition There are multiple definitions of alpine cli ...

zone. Most

weather front A weather front is a boundary separating air masses for which several characteristics differ, such as air density, wind, temperature, and humidity. Disturbed and unstable weather due to these differences often arises along the boundary. For ins ...

s originate in the

Pacific Ocean The Pacific Ocean is the largest and deepest of Earth's five Borders of the oceans, oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean, or, depending on the definition, to Antarctica in the south, and is ...

, and travel east toward the Sierra Nevada mountains. As fronts approach, they are forced upward by the peaks, causing them to drop their moisture in the form of rain or

snowfall Snow consists of individual ice crystals that grow while suspended in the atmosphere—usually within clouds—and then fall, accumulating on the ground where they undergo further changes. It consists of frozen crystalline water througho ...

onto the range (

orographic lift Orographic lift occurs when an air mass is forced from a low elevation to a higher elevation as it moves over rising terrain. As the air mass gains altitude it quickly cools down adiabatically, which can raise the relative humidity to 100% and cr ...

). Precipitation runoff from this mountain drains south into tributaries of the

San Joaquin River The San Joaquin River ( ; ) is the longest river of Central California. The long river starts in the high Sierra Nevada and flows through the rich agricultural region of the northern San Joaquin Valley before reaching Suisun Bay, San Francis ...

Climbing

Established climbing routes on Feather Peak:Feather Peak Climbing, Mountain Project
/ref> * Southeast Slope – – First Ascent 1933 * Southwest Ridge – class 4 * Northeast Face – class 5.9 – 10 pitches – FA 1966 * Feather Couloir (North Couloir) – class AI2 – 4 pitches * North Ridge – class 5.4 – FA 1992

References

External links

{{commons * Weather forecast
Feather Peak
* Feather Peak Climbing
Mountainproject.com
Sierra National Forest Mountains of Fresno County, California Mountains of the John Muir Wilderness Four-thousanders of the United States Mountains of Northern California Sierra Nevada (United States)

Climate

Climbing

See also

References

External links