Fortification Range Wilderness is a 30,656-acre (12,406 ha) wilderness area in Lincoln County, in the U.S. state of Nevada. The Wilderness lies approximately 50 miles (80 km) southeast of the town of Ely and is administered by the U.S. Bureau of Land Management.The Fortification Range Wilderness protects the 13.5-mile (21.7 km) long Fortification Range, a low mountain range composed almost entirely of volcanic materials.