Big Sky to Tonopah: Epic Road Trip Guide

The drive from Big Sky, Montana to Tonopah, Nevada spans roughly 750 miles (1,207 km) across three states, taking about 12 hours of pure driving time without stops. The route follows I-15 South from Montana through Idaho and Utah, then US-50 West across Nevada's high desert. A little-known fact: the section of US-50 in Nevada is part of the original Lincoln Highway and is famously known as 'The Loneliest Road in America,' a designation it earned in 1986 from Life magazine. This corridor crosses the Continental Divide twice near the Montana-Idaho border and traverses the Basin and Range province, where you'll witness tectonic valleys and ranges with 10,000-foot peaks.

We have curated an expert-level guide to ensure you don't miss key attractions, manage fuel logistics, and stay safe. For those wondering how long to drive Big Sky, MT to Tonopah, NV, plan for 12 hours minimum, but we recommend two days to fully absorb the landscapes. The question is it worth driving Big Sky, MT to Tonopah, NV is answered with a resounding yes for anyone seeking dramatic changes in geography, from lush mountain forests to barren salt flats. For more on finding stops, check out how to find the best stops and hidden gems between cities.

The landscapes transition from the alpine forests of Big Sky (elev. 7,500 ft) to the volcanic badlands of the Snake River Plain, then to the Great Basin's sagebrush steppe. Notable natural features include the Teton Range (visible from I-15 near Idaho Falls) and the lunar-like terrain of the Ruby Mountains near Ely. In Nevada, don't miss the Ward Charcoal Ovens State Historic Park, 6 miles south of Ely — six beehive-shaped ovens built in the 1870s. The best stops Big Sky, MT to Tonopah, NV for geology lovers include the Black Rock Desert (near the Utah-Nevada line) and the Lunar Crater Volcanic Field (off US-6).

• Idaho Falls: The Snake River Greenbelt and the Idaho Falls Temple. Try local huckleberry ice cream.
• Salt Lake City: Great Salt Lake, Temple Square, and Red Butte Garden. For authentic Mexican food, hit Red Iguana.
• Ely, NV: Nevada Northern Railway Museum. Ride an old steam train. The historic Hotel Nevada has a saloon.
• Tonopah, NV: Tonopah Historic Mining Park and the Mizpah Hotel (reportedly haunted). The Tonopah Brewing Co. serves local craft beer.

For things to do between Big Sky, MT and Tonopah, NV, explore ghost towns like Belmont (north of Tonopah) or the town of Eureka with its restored opera house. Local commerce along US-50 is minimal; most gas stations have convenience stores. In Tonopah, the coffee shop and diner at the Tonopah Station Casino is a local hub.

Safety is paramount on remote roads. Speed limits on US-50 are 65 mph, but reduced to 55 in construction zones. Watch for cattle grazing along unfenced sections. For fatigue management, take breaks every 2 hours or 150 miles. Recommended rest stops: the rest area at the Idaho Falls Welcome Center (mile 320), the scenic overlook at Lake Point (Utah), and the Great Basin Visitor Center in Baker, NV. Do not drive through Nevada at night due to wildlife hazards.

• Family suitability: Kid-friendly stops include the Living Planet Aquarium (SLC), the Discovery Center of Idaho, and the Nevada Northern Railway. Note: some ghost towns have steep shafts, supervise children.
• Pet-friendly: Most hotels along the route (e.g., La Quinta in SLC, Best Western in Ely) allow pets. Carry water and waste bags; there are few grassy areas in Nevada.
• Hidden off-route: The Notch Peak (off US-6) is a massive limestone cliff; access via dirt road suitable for high-clearance vehicles. Or the Garnet Hill claims (Nevada) for rockhounding.

Culinary infrastructure is limited on US-50; pack a cooler. In Tonopah, the Overland Hotel Restaurant serves good steak. For a healthier option, the Town of Ely has a Subway and a grocery store. Salt Lake City offers abundant dining. For culture, the Big Sky area has a strong cowboy culture, while Tonopah is steeped in silver mining history. The route passes the Western Folklife Center in Elko, NV, which celebrates Basque culture.

Fuel stops are critical, especially on US-50 where stations can be 100 miles apart. Fill up in major towns: Idaho Falls (ID), Salt Lake City (UT), and in Nevada at Ely, Eureka, and Austin. Gas prices in Tonopah tend to be higher due to remoteness — expect 20-30 cents above national average. The route has excellent cell coverage until you reach US-50 in Nevada; from Ely westward, signal is spotty or nonexistent. Download offline maps and bring a paper map.

• Segment 1: Big Sky to Idaho Falls — US-191 South to I-15 South. 2.5 hours.
• Segment 2: Idaho Falls to Salt Lake City — I-15 South. 3.5 hours. Traffic possible near SLC.
• Segment 3: Salt Lake City to Ely — I-15 South to US-50 West (via Delta, UT). 4 hours. Desolate but scenic.
• Segment 4: Ely to Tonopah — US-50 West then US-6 West. 2 hours. Note: US-6 from Ely to Tonopah is remote.

Most highways are well-maintained asphalt, but on US-50 watch for wildlife (deer, antelope) at dawn/dusk. In winter, snow is possible in Montana and Nevada's higher passes (e.g., Wheeler Peak area). Always carry chains and emergency gear. There are no toll roads on this route. For breakdowns, roadside assistance may take hours in Nevada; carry extra water, food, and blankets.