Grizzly Peak is a high and prominent

mountain A mountain is an elevated portion of the Earth's crust, generally with steep sides that show significant exposed bedrock. Although definitions vary, a mountain may differ from a plateau in having a limited summit area, and is usually highe ...

summit of the

Collegiate Peaks The Collegiate Peaks (or Collegiate Range) is a name given to a section of the Sawatch Range of the Rocky Mountains located in central Colorado. Drainages to the east include headwaters of the Arkansas River. The Collegiate Peaks include some of t ...

in the

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 "Saguac ...

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 ...

of North America. The

thirteener In mountaineering in the United States, a thirteener (abbreviated 13er) is a mountain that exceeds above mean sea level, similar to the more familiar "fourteeners," which exceed . In most instances, "thirteeners" refers only to those peaks betwee ...

is located south-southwest ( bearing 202°) of Independence Pass,

Colorado Colorado (, other variants) is a state in the Mountain states, 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 wes ...

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territori ...

, on the Continental Divide separating

San Isabel National Forest San Isabel National Forest is located in central Colorado. The forest contains 19 of the state's 53 fourteeners, peaks over high, including Mount Elbert, the highest point in Colorado. It is one of eleven national forests in the state of Color ...

and Chaffee County from

White River National Forest White River National Forest is a National Forest in northwest Colorado. It is named after the White River that passes through its northern section. It is the most visited National Forest in the United States, primarily from users of the twelv ...

and Pitkin County.

Elevation

Grizzly Peak is the highest summit in the

less than , making it the highest thirteener in the country. At one time, the peak's elevation was measured to be over 14,000 feet and was believed to be a fourteener, but more recent and accurate surveys have dropped it below that threshold.

Geology

The mountain is composed of

andesite Andesite () is a volcanic rock of intermediate composition. In a general sense, it is the intermediate type between silica-poor basalt and silica-rich rhyolite. It is fine-grained (aphanitic) to porphyritic in texture, and is composed predo ...

lava Lava is molten or partially molten rock (magma) that has been expelled from the interior of a terrestrial planet (such as Earth) or a moon onto its surface. Lava may be erupted at a volcano or through a fracture in the crust, on land or un ...

flows and

breccia Breccia () is a rock composed of large angular broken fragments of minerals or rocks cemented together by a fine-grained matrix. The word has its origins in the Italian language, in which it means "rubble". A breccia may have a variety of ...

s of Oligocene age.

Historical names

*Grizzly Mountain *Grizzly Peak

Other summits with same name

Grizzly Peak is not only the name of Colorado's highest thirteener, but the state has four other Grizzly Peaks plus one Grizzly Mountain on the list:

References

External links