Cottonwood Wildlife Management Area is northwest of Oakley in south central Idaho's Cassia County. Take Interstate 84 to Exit 208 (Burley) and travel 20 miles south on State Highway 27 to the Big Cottonwood WMA sign (1600 South). Turn west on 1600 South and follow the signs 7 miles to the WMA. The WMA is home to reintroduced California bighorn sheep, mule deer, upland birds, native Yellowstone cutthroat trout, wild turkeys, bobcat, and a multitude of other wildlife species. Winter visitors may be rewarded with sightings of the elusive California bighorn sheep. The area supports huntable populations of ring-necked pheasants and gray partridge and smaller numbers of California quail and chukar partridge. And mule deer are year-round residents on the WMA. The WMA offers hikers, mountain bikers and horse back riders an opportunity to access thousands of acres of public land. Hunters can find an assortment of upland gamebirds. The area supports huntable populations of ring-necked pheasants and gray partridge and smaller numbers of California quail and chukar partridge. Mule deer are year-round residents. Mule deer rifle hunting is by controlled permit only and there is an archery unlimited controlled hunt. The WMA supports good numbers of Yellowstone cutthroat trout in the 6-10" range.