Colosseum Mountain is a 12,473-foot-elevation (3,802 meter) double summit mountain located on the crest of the Sierra Nevada mountain range in northern

California California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the m ...

. It is situated on the common border of

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 Census, the population was 1,008,654. The county seat is Fresno, the fifth-most populous city in Cali ...

with

Inyo County Inyo County () is a county in the eastern central part of the U.S. state of California, located between the Sierra Nevada and the state of Nevada. In the 2020 census, the population was 19,016. The county seat is Independence. Inyo County ...

, as well as the shared boundary of

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 and Sierra National Forests. Established in 1964 by the Wilderness Act and named for naturalist John Muir, it encompa ...

and

Kings Canyon National Park Kings Canyon National Park is an American national park 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 renamed to King ...

. It is northwest of the community of

Independence Independence is a condition of a person, nation, country, or state in which residents and population, or some portion thereof, exercise self-government, and usually sovereignty, over its territory. The opposite of independence is the statu ...

, east of Mount Cedric Wright, west of Sawmill Point, and south-southeast of

Mount Perkins Mount Perkins () is a mountain at the east end of the Fosdick Mountains in the Ford Ranges, Marie Byrd Land. It was discovered by the Byrd Antarctic Expedition on the Northeastern Flight of December 15–16, 1934, and named for Jack E. Perkins, wh ...

, the nearest higher neighbor. The lower east summit is 12,451-feet in elevation and marked as Colosseum Mountain on maps, but the 12,473-foot west summit is higher. Approximately 1,000 feet distance separate the two summits. The

John Muir Trail The John Muir Trail (JMT) ( Paiute: Nüümü Poyo, ''N-ue-mue Poh-yo'') is a long-distance trail in the Sierra Nevada mountain range of California, passing through Yosemite, Kings Canyon and Sequoia National Parks. From the northern terminus a ...

passes to the west of this peak, providing an approach to the mountain. The

first ascent In mountaineering, a first ascent (abbreviated to FA in guide books) is the first successful, documented attainment of the top of a mountain or the first to follow a particular climbing route. First mountain ascents are notable because they en ...

of the summit was made August 5, 1922, by Chester Versteeg, a prominent Sierra Club member, via the southwest face.Sierra Club Bulletin, (1923) page 421.

Climate

According to the

Köppen climate classification The Köppen climate classification is one of the most widely used climate classification systems. It was first published by German-Russian climatologist Wladimir Köppen (1846–1940) in 1884, with several later modifications by Köppen, notabl ...

system, Colosseum Mountain has an

alpine climate Alpine climate is the typical weather (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 o ...

. 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 in ...

s originate in the

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

, 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 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 Runoff, run-off or RUNOFF may refer to: * RUNOFF, the first computer text-formatting program * Runoff or run-off, another name for bleed, printing that lies beyond the edges to which a printed sheet is trimmed * Runoff or run-off, a stock marke ...

from this mountain drains west into Woods Creek, which is a tributary of the

South Fork Kings River The South Fork Kings River is a tributary of the Kings River in the Sierra Nevada of Fresno County, California. The river forms part of Kings Canyon, the namesake of Kings Canyon National Park and one of the deepest canyons in North America wi ...

, and east to the

Owens Valley Owens Valley ( Numic: ''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, west of the White Mountains and Iny ...

via Division Creek.

Climbing

Established climbing routes on Colosseum Mountain: * Southwest slope – – First ascent 1922 * West Ridge – class 1 * Northwest Chute – class 2 * North Ridge – class 4

References

External links

* {{Portal_inline, Mountains, size=tiny * Weather forecast
Colosseum Mountain
Mountains of Fresno County, California Mountains of Kings Canyon National Park Inyo National Forest Mountains of Inyo County, California Mountains of the John Muir Wilderness North American 3000 m summits Mountains of Northern California Sierra Nevada (United States)

Climate

Climbing

See also

References

External links