Centennial Mountains Rock Lakes National Wildlife Refuge, state and private land, and part of a USDA Agricultural Research Station for sheep. Around 326 vascular plant 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. Centennial Mountains The Centennial Mountains are the southernmost sub-range of the Bitterroot Range in the United States states of Idaho and Montana. The Centennial Mountains include the Western and Eastern Centennial
Shadow Mountains part of the mountains. The Shadow Mountains lie to the north of the small community of Halloran Springs, next to Interstate 15. Other ranges in the local area include the: Shadow Mountains The Shadow Mountains are located in the Mojave Desert of eastern California in the United States. The mountains lie in a generally north-south direction south of the Kingston Range and east of the Avawatz Mountains and the Silurian Hills. An isolated peak named "Shadow Mountain" is located about six miles due east of the main chain of the range. It has a peak elevation of . The Mojave