The Centennial Mountains are the southernmost sub-range of the Bitterroot Range in the U.S. states of

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), ...

and

Montana Montana ( ) is a landlocked U.S. state, state in the Mountain states, Mountain West subregion of the Western United States. It is bordered by Idaho to the west, North Dakota to the east, South Dakota to the southeast, Wyoming to the south, an ...

. The Centennial Mountains include the Western and Eastern Centennial Mountains. The range extends east from Monida Pass along the Continental Divide to Henrys Fork NNW of Ashton, Idaho; bounded on the west by Beaver Creek, on the north by Centennial Valley and Henrys Lake Mountains, on the east by Henrys Lake Flat, and on the south by Shotgun Valley and the Snake River Plain. The highest peak in the range is Mount Jefferson. They are one of only a few ranges within 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 ...

that trend west to east, and the Continental Divide runs along their ridge line. The Western Centennial Mountains extends west from the Eastern Centennial Mountains along the Continental Divide to Monida Pass, 25 mi NE of Dubois, Idaho; Snake River Plain, on the north by Centennial Valley, and the east by a line connecting Odell Creek and an unnamed tributary, in Montana, to Ching Creek in Idaho. About 100,000 acres of the Centennials are roadless. This includes National Forest lands, the Bureau of Land Management's Centennial Mountains Primitive Area, a portion of Red Rock Lakes National Wildlife Refuge, state and private land, and part of a

USDA The United States Department of Agriculture (USDA) is an United States federal executive departments, executive department of the Federal government of the United States, United States federal government that aims to meet the needs of commerc ...

Agricultural Research Station for sheep. Around 326

vascular plant Vascular plants (), also called tracheophytes (, ) or collectively tracheophyta (; ), are plants that have lignin, lignified tissues (the xylem) for conducting water and minerals throughout the plant. They also have a specialized non-lignified Ti ...

species have been identified in the Centennials, an unusual plant diversity for the Yellowstone region. Grizzly bears inhabit the area, as nearly all species indigenous to the Greater Yellowstone Ecosystem are present. The north slope of the Centennials rises abruptly 3,000 feet above the Centennial Valley.

Peaks

Highest peaks of the Centennial MountainsCentennial Mountains, Peakbagger.com
Retrieved May 28, 2023. * Mount Jefferson 10,216 ft * Baldy Mountain 9,892 ft * Sawtell Peak 9,884 ft * Baldy Mountain West 9,880+ * Taylor Mountain 9,863 ft * Slide Mountain 9,800+ ft * Sheep Mountain 9,688 ft

Notes

{{Authority control Bitterroot Range Mountain ranges of Idaho Mountain ranges of Montana Landforms of Clark County, Idaho Landforms of Fremont County, Idaho Ranges of the Rocky Mountains

Peaks

See also

Notes