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
Six Lakes accessed from Sawtooth National Forest road 205 along Fourth of July Creek. The lakes do not have official names and are listed from lowest to highest elevation. Six Lakes The Six Lakes are a chain of six alpine and glacial Paternoster lakes in Custer County, Idaho, United States, located in the White Cloud Mountains in the Sawtooth National Recreation Area. The lakes are located on the upper portion of the Fourth of July Creek watershed, a tributary of the Salmon River. The Six Lakes are above Heart Lake. The lakes have not been individually named, and the three uppermost lakes