Unit 152 covers the southern Toiyabe Range and the surrounding Big Smoky Valley country in central Nye County—the heart of the Toiyabe high country, anchored by Arc Dome (11,773 feet, the tallest peak in the range) and the Arc Dome Wilderness. Elevations run from about 5,200 feet on the Big Smoky Valley floor up to the Arc Dome summit, with Bunker Hill, Toiyabe Dome, and Cow Canyon Peak all clearing 10,000 feet. The country is steep and deeply dissected—Reese River drainage to the west, Big Smoky to the east, with long canyon systems (Stewart Canyon, Cloverdale Creek, Peavine Creek) cutting deep into the timber. Vegetation is the standard Great Basin stack but more vertical: sage and bitterbrush on the valley edges, pinyon-juniper through the lower canyons, mountain mahogany on the rocky shoulders, aspen and limber pine on the high benches, with alpine meadow and rock above the wilderness boundary. Humboldt-Toiyabe NF covers the crest with the Arc Dome Wilderness restricting motors in the core, and BLM filling in the lower country. Highway 376 runs Big Smoky Valley north-south; US 50 frames the north at Austin; the canyon roads off both valleys are rough gravel and rougher. Austin (population about 200) has the basics—gas, a motel, a bar with a real grill—and Tonopah is your bigger supply run to the south. Cell service is in Austin and gone within minutes. Mule deer are the headline and the Toiyabe canyons concentrate deer movement in classic funnels; the bucks here run mature because the steep country and wilderness backing limit pressure. Water is more reliable in the canyons here than most Nevada ranges. Pack-in for the high country.