Boulder Peak 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 topographic terms acme, apex, peak (mountain peak), and zenith are synonymous. The term (mountain top) is generally used only for ...

located in Blaine County,

Idaho Idaho ( ) is a landlocked U.S. state, state in the Pacific Northwest and Mountain states, Mountain West subregions of the Western United States. It borders Montana and Wyoming to the east, Nevada and Utah to the south, and Washington (state), ...

, United States.

Description

Boulder Peak ranks as the 127th-highest peak in Idaho and is part of the Boulder Mountains which are 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 great-circle distance, straight-line distance from the northernmost part of Western Can ...

. The mountain is situated 15 miles northwest of

Ketchum, Idaho Ketchum is a city in Blaine County, Idaho, United States. Located in the central part of the state, the population was 3,555 at the 2020 census, up from 2,689 in 2010. Located in the Wood River Valley, Ketchum is adjacent to Sun Valley and ...

, in the

Sawtooth National Recreation Area The Sawtooth National Recreation Area (SNRA) is a national recreation area in central Idaho, United States that is managed as part of Sawtooth National Forest. The recreation area, established on August 22, 1972, is managed by the U.S. Forest S ...

on land managed by

Sawtooth National Forest Sawtooth National Forest is a United States National Forest, National Forest that covers 2,110,408 acres (854,052 ha) in the U.S. states of Idaho (~96 percent) and Utah (~4 percent). Managed by the U.S. Forest Service in the United States Depart ...

. The peak is easily seen from Highway 75, and is the most visible of the Boulder Mountains. Precipitation runoff from the mountain's slopes drains to the

Big Wood River The Big Wood River is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. , accessed May 4, 2011 river in central Idaho, United States, that is a tributary of the Malad River (which in turn is a tributary to the ...

via Boulder Creek.

Topographic relief Terrain (), alternatively relief or topographical relief, is the dimension and shape of a given surface of land. In physical geography, terrain is the lay of the land. This is usually expressed in terms of the elevation, slope, and orientati ...

is significant as the summit rises above Big Wood River in four miles. This landform'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 government of the United States, federal body operating under the United States Secretary of the Interior. The purpose of the board is to establish and maintain uniform usage of geogr ...

Climate

Based on the

Köppen climate classification The Köppen climate classification divides Earth climates into five main climate groups, with each group being divided based on patterns of seasonal precipitation and temperature. The five main groups are ''A'' (tropical), ''B'' (arid), ''C'' (te ...

, Boulder Peak is located in an alpine

subarctic climate The subarctic climate (also called subpolar climate, or boreal climate) is a continental 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 ...

zone with long, cold, snowy winters, and cool to warm summers. Winter temperatures can drop below −10 °F with wind chill factors below −30 °F.

References

External links

* Boulder Peak
''Idaho: A Climbing Guide''

National Geodetic Survey Data Sheet
* Boulder Peak
weather forecast
{{Mountains of Idaho Mountains of Idaho Mountains of Blaine County, Idaho Three-thousanders of the United States Sawtooth National Forest

Description

Climate

See also

References

External links