The Mosquito Range (elevation approximately 14,000 ft) is a high mountain range in the

Rocky Mountains The Rocky Mountains, also known as the Rockies, are a major mountain range and the largest mountain system in North America. The Rocky Mountains stretch in straight-line distance from the northernmost part of western Canada, to New Mexico ...

of central

Colorado Colorado (, other variants) is a state in the Mountain West subregion of the Western United States. It encompasses most of the Southern Rocky Mountains, as well as the northeastern portion of the Colorado Plateau and the western edge of the ...

in the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., ...

. The peaks of the range form a ridge running north–south for roughly 40 mi (64 km) from southern Summit County on the north end, then along the boundary between

Lake A lake is an area filled with water, localized in a basin, surrounded by land, and distinct from any river or other outlet that serves to feed or drain the lake. Lakes lie on land and are not part of the ocean, although, like the much large ...

and

Park A park is an area of natural, semi-natural or planted space set aside for human enjoyment and recreation or for the protection of wildlife or natural habitats. Urban parks are green spaces set aside for recreation inside towns and cities. ...

Counties. The ranges forms a high barrier separating the headwaters of the

Arkansas River The Arkansas River is a major tributary of the Mississippi River. It generally flows to the east and southeast as it traverses the U.S. states of Colorado, Kansas, Oklahoma, and Arkansas. The river's source basin lies in the western United ...

near

Leadville The City of Leadville is a statutory city that is the county seat, the most populous community, and the only incorporated municipality in Lake County, Colorado, United States. The city population was 2,602 at the 2010 census and an estimated ...

from

South Park ''South Park'' is an American animated sitcom created by Trey Parker and Matt Stone and developed by Brian Graden for Comedy Central. The series revolves around four boysStan Marsh, Kyle Broflovski, Eric Cartman, and Kenny McCormickand ...

and the headwaters of the

South Platte River The South Platte River is one of the two principal tributaries of the Platte River. Flowing through the U.S. states of Colorado and Nebraska, it is itself a major river of the American Midwest and the American Southwest/Mountain West. It ...

near

Fairplay FairPlay is a digital rights management (DRM) technology developed by Apple Inc. It is built into the MP4 multimedia file format as an encrypted AAC audio layer, and was used until April 2009 by the company to protect copyrighted works sold ...

. The highest peak in the range is Mount Lincoln at an elevation of 14,286 ft. Other

fourteener In the mountaineering parlance of the Western United States, a fourteener is a mountain peak with an elevation of at least . The 96 fourteeners in the United States are all west of the Mississippi River. Colorado has the most (53) of any single ...

s in the range are Quandary Peak (14,272 ft), Mount Bross (14,172 ft),

Mount Democrat Mount Democrat is a high mountain summit in the Mosquito Range of the Rocky Mountains of North America. The fourteener is located northwest ( bearing 313°) of the Town of Alma, Colorado, United States, on the Continental Divide separating Sa ...

(14,148 ft), and

Mount Sherman Mount Sherman is a high mountain summit in the Mosquito Range of the Rocky Mountains of North America. The fourteener is located east by south ( bearing 103°) of the City of Leadville, Colorado, United States, on the drainage divide separat ...

(14,036 ft).

Geology

The mountains are faulted

anticline In structural geology, an anticline is a type of fold that is an arch-like shape and has its oldest beds at its core, whereas a syncline is the inverse of an anticline. A typical anticline is convex up in which the hinge or crest is t ...

s formed as part of the Sawatch Uplift during the

Laramide orogeny The Laramide orogeny was a time period of mountain building in western North America, which started in the Late Cretaceous, 70 to 80 million years ago, and ended 35 to 55 million years ago. The exact duration and ages of beginning and end of the ...

around 65 million years ago (Mya). The mountains were originally contiguous with the higher Sawatch Range to the west, but were separated during the formation of the rift valley at the headwaters of the Arkansas River about 35 Mya. The range is primarily of

granite Granite () is a coarse-grained ( phaneritic) intrusive igneous rock composed mostly of quartz, alkali feldspar, and plagioclase. It forms from magma with a high content of silica and alkali metal oxides that slowly cools and solidifies un ...

. The eastern flank of the range along the rim of South Park is overlain by

Paleozoic The Paleozoic (or Palaeozoic) Era is the earliest of three geologic eras of the Phanerozoic Eon. The name ''Paleozoic'' ( ;) was coined by the British geologist Adam Sedgwick in 1838 by combining the Greek words ''palaiós'' (, "old") and ...

and

Mesozoic The Mesozoic Era ( ), also called the Age of Reptiles, the Age of Conifers, and colloquially as the Age of the Dinosaurs is the second-to-last era of Earth's geological history, lasting from about , comprising the Triassic, Jurassic and Cretace ...

sedimentary rock Sedimentary rocks are types of rock that are formed by the accumulation or deposition of mineral or organic particles at Earth's surface, followed by cementation. Sedimentation is the collective name for processes that cause these particles ...

s. The northern end of the range was

glaciated A glacier (; ) is a persistent body of dense ice that is constantly moving under its own weight. A glacier forms where the accumulation of snow exceeds its ablation over many years, often centuries. It acquires distinguishing features, such as ...

during

Pleistocene The Pleistocene ( , often referred to as the ''Ice age'') is the geological Epoch (geology), epoch that lasted from about 2,580,000 to 11,700 years ago, spanning the Earth's most recent period of repeated glaciations. Before a change was fina ...

time, forming U-shaped valleys in the canyons. The high ridge of the range forms a relatively difficult barrier between South Park and the Arkansas headwaters. Several of the high peaks of the range are prominently visible from the southern side of Fremont Pass along State Highway 91 between

Climax Climax may refer to: Language arts * Climax (narrative), the point of highest tension in a narrative work * Climax (rhetoric), a figure of speech that lists items in order of importance Biology * Climax community, a biological community t ...

and Leadville. The range is not traversed by any major highway, but only in two places by backroads over high passes:

Mosquito Pass Mosquito Pass, with an elevation of , is a high mountain pass in the Mosquito Range of central Colorado in the United States. It lies on the boundary between Lake and Park counties between Leadville (west) and Fairplay (east). It also lies on th ...

and Weston Pass. Much of the range is located within the Pike National Forest.

Highest peaks

References

External links

*
Mosquito Range at Peakbagger.com
{{Authority control Mountain ranges of Colorado Ranges of the Rocky Mountains Landforms of Summit County, Colorado Landforms of Lake County, Colorado Landforms of Park County, Colorado

Geology

Highest peaks

See also

References

External links