Pocatello to Custer: Scenic Drive Guide

The route from Pocatello, ID to Custer, SD covers 522 miles across the high desert plains of the Snake River Plain, the volcanic badlands of Craters of the Moon, and the granite peaks of the Black Hills. It's a drive that transitions from sagebrush steppe to pine forest, with a total elevation gain of roughly 3,800 feet. The fastest path, via I-86, I-84, and I-90, takes about 8 hours and 15 minutes of pure driving, but you'll want to budget at least two days to absorb the scenery.

This guide answers three questions: how long to drive Pocatello, ID to Custer, SD, is it worth driving Pocatello, ID to Custer, SD, and what are the best stops Pocatello, ID to Custer, SD. We focus on things to do between Pocatello, ID and Custer, SD, including natural wonders, small-town charm, and practical logistics.

The landscape shifts dramatically. Starting near Pocatello, you'll see the portneuf Gap and the Bannock Range. Around Blackfoot, the Snake River Plain offers volcanic features. At Craters of the Moon National Monument near Arco, you'll see lava fields, but it's a detour. The Teton Range comes into view near Idaho Falls. The Grand Teton and Yellowstone National Park are iconic, with geothermal features like Old Faithful. The Beartooth Highway (US-212) from Red Lodge, MT is a spectacular alternative to I-90, but it's closed in winter.

Local commerce thrives in small towns like Dubois, WY, and Buffalo, WY. You'll find mom-and-pop cafes, art galleries, and ranches. The Buffalo Bill Center of the West in Cody, WY, is a must-see for Western history. Culinary infrastructure is adequate, with fast-food chains in larger towns and local steakhouses in smaller ones. Try bison burgers or huckleberry pie. On the outskirts of Custer, you'll find the Crazy Horse Memorial and Mount Rushmore.

The Black Hills are sacred to the Lakota people, and you'll see signs of that heritage. The route passes through parts of the West, where you can find hidden hot springs and ghost towns. Check out the how to find the best stops and hidden gems between cities for more tips.

This trip takes you through Wyoming and Montana. The best route is I-86 E, I-84 E, US-20 E, I-15 S, I-90 E, and US-16 E. Major cities along the way are Idaho Falls, ID; and Gillette, WY. Road quality is generally good, with some sections in Yellowstone potentially subject to repair. You'll find fuel stations in most towns, but distances between services can be over 60 miles in rural stretches. Gas prices trend lower in Montana and Wyoming than in Idaho or South Dakota, so it's smart to fill up there. For an efficient trip, it's worth driving Pocatello, ID to Custer, SD if you plan well.

Cell coverage is sporadic, especially in mountainous areas, so download offline maps. The drive crosses two time zones: Mountain and Central. Custer is in Central Time, one hour ahead of Pocatello. Remember to set your clock when you cross the line near Gillette, WY. The route follows the historic Oregon Trail and Bozeman Trail, with interpretive signs at various points.

For safety, the route crosses mountain passes and open plains with potential for wildlife, especially deer and elk at dawn and dusk. Pay attention to fog in valleys and sudden snowstorms even in summer. Winter travel may require chains. The road quality is good, but watch for potholes in spring. For families, there are many kid-friendly stops: the Museum of Clean in Pocatello, the Idaho Falls Zoo, and the Grizzly & Wolf Discovery Center in West Yellowstone. Craters of the Moon has lava tube caves to explore, educational and fun. The Bear Country USA in Rapid City, SD, is a drive-through wildlife park.

For fatigue management, plan to stop every two hours. Rest areas are common along interstates, with picnic tables and restrooms. Notable rest areas include the Snake River Rest Area near Idaho Falls and the Gillette Rest Area. Energy drinks and coffee are available at truck stops like Pilot Flying J in Gillette. Short naps in rest area parking lots are safe and legal. The drive offers many pullouts for scenic views, like the lookout over the Bighorn Mountains.

Pet-friendly framework: Most hotels along the route accept pets, but check ahead. There are many parks and trails for dog walking, like the Greenbelt in Idaho Falls. Always carry water and a bowl, as summer temperatures can exceed 90°F. Custer has the George S. Mickelson Trail, a rail-trail perfect for walking your pet. The drive is worth it for the variety of experiences.