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
Adirondack Mountains Adirondack Mountains The Adirondack Mountains form a massif in northeastern New York, United States. Its boundaries correspond to the boundaries of Adirondack Park. The mountains form a roughly circular dome, about in diameter and about high. The current relief owes much to glaciation. The earliest written use of the name, spelled "Rontaks", was in 1729 by the French missionary Joseph-François Lafitau. He defined it as "tree eaters". In the Mohawk language, Adirondack means porcupine, an animal that may eat bark. The Mohawks had no written language at the time so Europeans have used various phonetic spellings. An English map from