Argosy Mountain is an summit located in

Flathead County Flathead County is in the U.S. state of Montana. At the 2020 census, its population was 104,357, making it the state's fourth most populous county. Its county seat is Kalispell. Its numerical designation (used in the issuance of license plates) ...

of the

U.S. state In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its sover ...

Montana Montana () is a state in the Mountain West division of the Western United States. It is bordered by Idaho to the west, North Dakota and South Dakota to the east, Wyoming to the south, and the Canadian provinces of Alberta, British Columbi ...

Description

Argosy Mountain is located in the

Flathead Range The Flathead Range is a mountain range of the Northern Rocky Mountains located southeast of Whitefish, Montana in the Great Bear Wilderness, part of the Bob Marshall Wilderness Complex. It is west of the Rocky Mountain Front, east of the Swan Ra ...

, a subset 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 ...

. It is situated in the

Great Bear Wilderness The Great Bear Wilderness is located in northern Montana, United States, within Flathead National Forest Created by an act of Congress in 1978, the wilderness comprises 286,700 acres (1,160 km²) and borders the Bob Marshall Wilderness on the ...

, on land managed by

Flathead National Forest The Flathead National Forest is a national forest in the western part of the U.S. state of Montana. The forest lies primarily in Flathead County, south of Glacier National Park. The forest covers of which about is designated wilderness. It i ...

. 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 drains north to the

Middle Fork Flathead River The Middle Fork Flathead River is a river in western Montana in the United States, forming the southwestern boundary of Glacier National Park. Its drainage basin lies to the east of the South Fork Flathead River and the Hungry Horse Reservoir. ...

via Roaring, Argosy, and Dolly Varden creeks.

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 significant as the summit rises 2,350 feet (716 meters) above Argosy Creek in one mile. The nearest higher neighbor is Trilobite Peak, to the east-southeast. Access to this remote peak is from the nearby Shafer Ranger Station at the Schafer

landing strip According to the International Civil Aviation Organization (ICAO), a runway is a "defined rectangular area on a land aerodrome prepared for the landing and takeoff of aircraft". Runways may be a man-made surface (often asphalt, concrete, o ...

which was

grandfathered A grandfather clause, also known as grandfather policy, grandfathering, or grandfathered in, is a provision in which an old rule continues to apply to some existing situations while a new rule will apply to all future cases. Those exempt from t ...

with the wilderness designation.

Climate

Based on 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 ...

, Argosy Mountain is located in a

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 characterized by long, usually very cold winters, and short, cool to mild summers. Winter temperatures can drop below −10 °F with wind chill factors below −30 °F. Argosy Mountain in autumn

Geology

Argosy Mountain is composed of

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 ...

laid down during the

Precambrian The Precambrian (or Pre-Cambrian, sometimes abbreviated pꞒ, or Cryptozoic) is the earliest part of Earth's history, set before the current Phanerozoic Eon. The Precambrian is so named because it preceded the Cambrian, the first period of the ...

Jurassic The Jurassic ( ) is a Geological period, geologic period and System (stratigraphy), stratigraphic system that spanned from the end of the Triassic Period million years ago (Mya) to the beginning of the Cretaceous Period, approximately Mya. The J ...

periods. Formed in shallow seas, this sedimentary rock was initially uplifted beginning 170 million years ago when the

Lewis Overthrust The Lewis Overthrust is a geologic thrust fault structure of the Rocky Mountains found within the bordering national parks of Glacier in Montana, United States and Waterton Lakes in Alberta, Canada. The structure was created due to the collision of ...

fault pushed an enormous slab of

precambrian The Precambrian (or Pre-Cambrian, sometimes abbreviated pꞒ, or Cryptozoic) is the earliest part of Earth's history, set before the current Phanerozoic Eon. The Precambrian is so named because it preceded the Cambrian, the first period of the ...

rocks thick, wide and long over younger rock of the

cretaceous The Cretaceous ( ) is a geological period that lasted from about 145 to 66 million years ago (Mya). It is the third and final period of the Mesozoic Era, as well as the longest. At around 79 million years, it is the longest geological period of th ...

period.

References

External links

* Weather
Argosy Mountain
{{Geographic Location 2 , Center = Argosy Mountain , North = Schafer Airport , Northeast =

Gable Peaks Gable Peaks is a remote double summit mountain located in Flathead County, Montana, Flathead County of the U.S. state of Montana. Description Gable Peaks is located at the north end of the Trilobite Range, which is a subset of the Flathead Ran ...

, East = Dolly Varden Creek , ESE = Trilobite Peak , Southeast =

Pentagon Mountain Pentagon Mountain is an mountain summit located in Flathead County of the U.S. state of Montana. Description Pentagon Mountain is the highest point in the Trilobite Range, which is a subset of the Flathead Range. It is set within the Bob Mars ...

, South = Argosy Creek , Southwest = , WSW = Dean Ridge , West = , WNW =

Capitol Mountain Capitol Mountain is a summit located in Flathead County of the U.S. state of Montana. Description Capitol Mountain is located in the Flathead Range, a subset of the Rocky Mountains. It is situated in the Great Bear Wilderness, on land manage ...

, Northwest =

Union Mountain Union Mountain is a summit located in Flathead County of the U.S. state of Montana. Description Union Mountain is located in the Flathead Range, a subset of the Rocky Mountains. It is situated in the Great Bear Wilderness, on land managed by ...

Mountains of Flathead County, Montana Mountains of Montana North American 2000 m summits Flathead National Forest

Description

Climate

Geology

See also

References

External links