| Choteau Mountain | |
|---|---|
 Southeast aspect | |
| Highest point | |
| Elevation | 8,398 ft (2,560 m)[1] |
| Prominence | 798 ft (243 m)[1] |
| Parent peak | Peak 8413 (Guthrie Peak)[2][1] |
| Isolation | 1.13 mi (1.82 km)[2] |
| Coordinates | 47°56′00″N112°42′46″W / 47.93335417°N 112.71281002°W /47.93335417; -112.71281002[3] |
| Naming | |
| Etymology | Pierre Chouteau Jr. |
| Geography | |
  Choteau Mountain Location in Montana Show map of Montana Choteau Mountain Location in the United States Show map of the United States | |
| Location | Teton County, Montana,U.S. |
| Parent range | Rocky Mountains Rocky Mountain Front Sawtooth Range |
| Topo map | USGSCave Mountain |
| Geology | |
| Rock type | limestone |
Choteau Mountain is an 8,398-foot (2,560-metre) mountain summit located inTeton County,Montana.[3]
Choteau Mountain is located along theRocky Mountain Front, which is a subset of theRocky Mountains. It is situated 26 miles northwest of the town ofChoteau, in theLewis and Clark National Forest. Precipitationrunoff from the mountain drains into tributaries of theTeton River.Topographic relief is significant as the southwest aspect rises 3,200 feet (980 meters) above the river in two miles, and the east aspect rises 3,700 feet (1,100 meters) above the prairie.
Choteau Mountain is composed ofsedimentary rock laid down during thePrecambrian toJurassic periods. Formed in shallow seas, this sedimentary rock was pushed east and over the top of younger rock during theLaramide orogeny.[4] TheLewis Overthrust extends over 280 miles (450 km) fromMount Kidd in Alberta, south to Steamboat Mountain which is located 46 miles south of Choteau Mountain, which places Choteau Mountain within the southern part of the Lewis Overthrust.[5]
Based on theKöppen climate classification, Choteau Mountain is located in asubarctic climate zone characterized by long, usually very cold winters, and mild to warm summers.[6] Winter temperatures can drop below −10 °F with wind chill factors below −30 °F.
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