The Bisti/De-Na-Zin Wilderness is a 45,000-acre (18,000 ha) wilderness area located in San Juan County in the U.S. state of New Mexico. Established in 1984, the Wilderness is a desolate area of steeply eroded badlands managed bThe Verde River (Yavapai: Haka'he:la) is a major tributary of the Salt River in the U.S. state of Arizona. It is about 170 miles (270 km) long[4] and carries a mean flow of 602 cubic feet per second (17.0 m3/s) at its mouth. It is one of the largest perennial streams in Arizona.y the Bureau of Land Management, except three parcels of private Navajo land within its boundaries.[1] The John D. Dingell, Jr. Conservation, Management, and Recreation Act, signed March 12, 2019, expanded the Bisti/De-Na-Zin Wilderness by approximately 2,250 acres.