GMU 15 Mountainous with Colorado River is forming south boundary. Elevation ranges from 6000 to 10,000 feet. Good access with 4X4 vehicle. GMU 22 Canyons, draws and rolling hills ranging from 4500 feet to 8500 feet.
Predominant vegetation is pinyon and juniper with interspersed sagebrush parks.
Higher elevations and north slopes have mixed mountain shrub with pockets of spruce and fir and aspen. Good access with 4X4 vehicle. GMU 23 Unit dissected by White River. Elevation ranges from 6,000 to over 10,000 feet. Predominant aspects are northerly and southerly.