Greenhalgh Mountain is a mountain

summit A summit is a point on a surface that is higher in elevation than all points immediately adjacent to it. The topography, topographic terms acme, apex, peak (mountain peak), and zenith are synonymous. The term (mountain top) is generally used ...

in San Juan County,

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 t ...

, United States.

Description

Greenhalgh Mountain is located east-southeast of the community of Silverton, on land managed by

Rio Grande National Forest Rio Grande National Forest is a 1.86 million-acre (7,530 km²) U.S. National Forest located in southwestern Colorado. The forest encompasses the San Luis Valley, which is the world's largest agricultural alpine valley, as well as one of ...

. It is situated less than east of the

Continental Divide A continental divide is a drainage divide on a continent such that the drainage basin on one side of the divide feeds into one ocean or sea, and the basin on the other side either feeds into a different ocean or sea, or else is endorheic, not ...

in the

San Juan Mountains The San Juan Mountains is a high and rugged mountain range in the Rocky Mountains in southwestern Colorado and northwestern New Mexico. The area is highly mineralized (the Colorado Mineral Belt) and figured in the gold and silver mining industry ...

which are a subrange of 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 in ...

. 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 market ...

from the mountain's slopes drains into tributaries of the

Rio Grande The Rio Grande ( and ), known in Mexico as the Río Bravo del Norte or simply the Río Bravo, is one of the principal rivers (along with the Colorado River) in the southwestern United States and in northern Mexico. The length of the Rio G ...

and

topographic relief Terrain or relief (also topographical relief) involves the vertical and horizontal dimensions of land surface. The term bathymetry is used to describe underwater relief, while hypsometry studies terrain relative to sea level. The Latin word ...

is modest as the summit rises above the river in 1.25 mile (2 km). Neighbors include Sheep Mountain, to the west and

Canby Mountain Canby Mountain is a mountain summit in San Juan County, Colorado, United States. Description Canby Mountain is located east of the community of Silverton, on land managed by Rio Grande National Forest. Canby Mountain is situated on the Con ...

, to the northwest. The mountain's toponym has been officially adopted by the

United States Board on Geographic Names The United States Board on Geographic Names (BGN) is a federal body operating under the United States Secretary of the Interior. The purpose of the board is to establish and maintain uniform usage of geographic names throughout the federal governm ...

, and was recorded in publications as early as 1906.

Henry Gannett Henry Gannett (August 24, 1846 – November 5, 1914) was an American geographer who is described as the "father of mapmaking in America."Evans, Richard Tranter; Frye, Helen M. (2009).History of the Topographic Branch (Division) (PDF). ''U.S. Geo ...

, United States Geological Survey (1906), ''A Gazetteer of Colorado'', US Government Printing Office, p. 80. Sheep Mountain and Greenhalgh Mountain

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, Greenhalgh Mountain is located in an alpine

subarctic climate The subarctic climate (also called subpolar climate, or boreal climate) is a climate with long, cold (often very cold) winters, and short, warm to cool summers. It is found on large landmasses, often away from the moderating effects of an ocean, ge ...

zone with cold, snowy winters, and cool to warm summers. Due to its altitude, it receives precipitation all year, as snow in winter and as thunderstorms in summer, with a dry period in late spring.

References

External links

* Weather forecast
Greenhalgh Mountain
{{Mountains of Colorado Mountains of San Juan County, Colorado San Juan Mountains (Colorado) Mountains of Colorado North American 4000 m summits Rio Grande National Forest

Description

Climate

See also

References

External links