Located off U.S. Highway 95, approximately halfway between Reno and Las Vegas (a little over 200 miles from each) is the largest ranger district in the lower 48 states: Tonopah Ranger District. The district encompasses approximately 1.12 million acres on the Humboldt-Toiyabe National Forest. Tonopah, population about 2,800, is the nearest town and houses the district ranger office. If you have questions or comments please call the Tonopah Ranger District @ 775-482-6286