Teton Range. The Teton Range is a mountain range of the Rocky Mountains in North America.
It extends for approximately 40 miles in a north-south direction through the U.S. state of Wyoming, east of the Idaho state line.
It is south of Yellowstone National Park and most of the east side of the range is within Grand Teton National Park. One theory says the early French voyageurs named the range after the breast-like shapes of its peaks.
Another theory says the range is named for the Teton Sioux, also known as the Lakota people. It is likely that the local Shoshone people once called the whole range, meaning many pinnacles.
The principal summits of the central massif, sometimes referred to as the Cathedral Group, are Grand Teton, Mount Owen, Teewinot, Middle Teton and South Teton. Other peaks in the range include Mount Moran, Mount Wister, Buck Mountain and Static Peak. Between six and nine million years ago, stretching and thinning of the Earth's crust caused movement along the Teton fault. The west block along the fault line rose to form the Teton Range, creating the youngest mountain range in the Rocky Mountains. The fault's east block fell to form the valley called Jackson Hole. The geological processes that led to the current composition of the oldest rocks in the Teton range began about 2.5 billion years ago. At that time, sand and volcanic debris settled into an ancient ocean. Additiona
It extends for approximately 40 miles in a north-south direction through the U.S. state of Wyoming, east of the Idaho state line.
It is south of Yellowstone National Park and most of the east side of the range is within Grand Teton National Park. One theory says the early French voyageurs named the range after the breast-like shapes of its peaks.
Another theory says the range is named for the Teton Sioux, also known as the Lakota people. It is likely that the local Shoshone people once called the whole range, meaning many pinnacles.
The principal summits of the central massif, sometimes referred to as the Cathedral Group, are Grand Teton, Mount Owen, Teewinot, Middle Teton and South Teton. Other peaks in the range include Mount Moran, Mount Wister, Buck Mountain and Static Peak. Between six and nine million years ago, stretching and thinning of the Earth's crust caused movement along the Teton fault. The west block along the fault line rose to form the Teton Range, creating the youngest mountain range in the Rocky Mountains. The fault's east block fell to form the valley called Jackson Hole. The geological processes that led to the current composition of the oldest rocks in the Teton range began about 2.5 billion years ago. At that time, sand and volcanic debris settled into an ancient ocean. Additiona
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