The Piper, Sylvania, and Inyo Mountains meet in Piper Mountain Wilderness. Alluvial fans cover large portions of the eastern side of the area. Wide, barren plains and dry hills form much of the landscape. The region is divided into three separate sections by non-Wilderness four-wheel-drive roads (along the seven miles of northeast-southwest Horse Thief Canyon, and north-south from Chocolate Mountain to the edge of Death Valley National Park). Sagebrush and pi