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 great-circle distance, straight-line distance from the northernmost part of Western Can ...

of central

Colorado Colorado is a U.S. state, state in the Western United States. It is one of the Mountain states, sharing the Four Corners region with Arizona, New Mexico, and Utah. It is also bordered by Wyoming to the north, Nebraska to the northeast, Kansas ...

in the

United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...

. 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 often a naturally occurring, relatively large and fixed body of water on or near the Earth's surface. It is localized in a basin or interconnected basins surrounded by dry land. Lakes lie completely on land and are separate from ...

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 urban green space, green spaces set aside for recreation inside t ...

Counties. The range 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 Colorado, specifically ...

near

Leadville Leadville ( ) is a List of municipalities in Colorado#Statutory city, statutory city that is the county seat, the most populous community, and the only List of municipalities in Colorado, incorporated municipality in Lake County, Colorado, Lak ...

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 the ...

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 Midwestern United States, Midwest and the American Sou ...

near Fairplay. 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 (also spelled 14er) 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 Co ...

s in the range are Quandary Peak (14,272 ft), Mount Bross (14,172 ft), Mount Democrat (14,148 ft), and Mount Sherman (14,036 ft).

Geology

The mountains are faulted

anticline In structural geology, an anticline is a type of Fold (geology), fold that is an arch-like shape and has its oldest Bed (geology), beds at its core, whereas a syncline is the inverse of an anticline. A typical anticline is convex curve, c ...

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, 80 to 70 million years ago, and ended 55 to 35 million years ago. The exact duration and ages of beginning and end of the o ...

around 65 million years ago (Mya). The mountains were originally contiguous with the higher

Sawatch Range The Sawatch Range or Saguache RangeThe place name "Saguache” is pronounced “Sawatch” . This name derives from the Ute language noun "''sawup''" meaning "sand dunes" and is spelled using the Spanish language version of this name "Saguach ...

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 (phanerite, phaneritic) intrusive rock, 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 coo ...

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

Paleozoic The Paleozoic ( , , ; or Palaeozoic) Era is the first of three Era (geology), geological eras of the Phanerozoic Eon. Beginning 538.8 million years ago (Ma), it succeeds the Neoproterozoic (the last era of the Proterozoic Eon) and ends 251.9 Ma a ...

and

Mesozoic The Mesozoic Era is the Era (geology), era of Earth's Geologic time scale, geological history, lasting from about , comprising the Triassic, Jurassic and Cretaceous Period (geology), Periods. It is characterized by the dominance of archosaurian r ...

sedimentary rock Sedimentary rocks are types of rock (geology), rock formed by the cementation (geology), cementation of sediments—i.e. particles made of minerals (geological detritus) or organic matter (biological detritus)—that have been accumulated or de ...

s. The northern end of the range was

glaciated 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 d ...

during

Pleistocene The Pleistocene ( ; referred to colloquially as the ''ice age, Ice Age'') is the geological epoch (geology), epoch that lasted from to 11,700 years ago, spanning the Earth's most recent period of repeated glaciations. Before a change was fin ...

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 th ...

and Leadville. The range is not traversed by any major highway, but only in two places by backroads over high passes: Mosquito Pass and Weston Pass. Much of the range is located within the

Pike National Forest The Pike National Forest is located in the Front Range of Colorado, United States, west of Colorado Springs including Pikes Peak. The forest encompasses 1,106,604 acres (4,478 km2) within Clear Creek, Teller, Park, Jefferson, Douglas an ...

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