Jackson to Dillon: Idaho's Scenic Highway 33 Road Trip Guide

The route from Jackson, WY to Dillon, MT, via US-89 and US-287, is a 200-mile drive that crosses the Teton Range, the Snake River Plain, and the Centennial Valley. One specific fact: the section through Teton Pass (Wyoming Highway 22) reaches 8,431 feet—the highest point on the journey—and experiences sudden weather changes even in summer. This guide covers how long to drive Jackson, WY to Dillon, MT (approximately 4.5 hours without stops), and whether it is worth driving Jackson, WY to Dillon, MT (absolutely, for the landscapes and solitude). For tips on uncovering hidden gems, see how to find the best stops and hidden gems between cities.

The best stops Jackson, WY to Dillon, MT include the Teton Scenic Byway, with panoramic views of the Grand Teton to the east. As you descend into Idaho's Teton Valley, the flat farmland gives way to the Big Hole Mountains. In Victor, ID, you can visit the historic Teton Valley Museum and peruse local art galleries.

UNESCO World Heritage Sites: none directly on route, but Yellowstone National Park (a UNESCO site) is a 30-minute detour from St. Anthony via US-20. In the spring, the Teton River offers world-class fly fishing. Local commerce centers around potato farming in Idaho; you'll find farm stands selling russet potatoes and huckleberry products near Driggs.

Climatic conditions vary dramatically: Teton Pass is alpine (30-60°F summer, heavy snow in winter), while the Snake River Plain is semi-arid (80-90°F summer, cold winter). The Centennial Valley is high desert, windswept and dry. Route aesthetics shift from pine forests to sagebrush steppe to mountain vistas.

Hidden off-route spots include the Mesa Falls Scenic Byway (ID-47) near Ashton, ID—a 10-mile detour to spectacular waterfalls. Also, the ghost town of Chesterfield, ID (off I-15 exit 80) has preserved pioneer buildings worth a 20-minute stop.

Fuel up in Jackson; the next reliable gas is in Victor, ID (25 miles), then St. Anthony (95 miles), and again in Dubois (optional) or Lima, MT (160 miles). Electric vehicle charging stations are sparse: Level 2 chargers exist in Jackson and Dillon, but not en route. Carry cash for small-town gas stations. Cell coverage is intermittent, especially in Teton Valley and the Centennial Valley. Download offline maps before leaving.

• Highway ID-33: Two-lane, posted 65 mph, but winding sections near Teton Pass require slower speeds.
• US-20: Four-lane divided highway from St. Anthony to I-15, 70 mph.
• I-15: Interstate standard, 80 mph in Montana; watch for livestock crossings.
• Restrooms: Public facilities in Victor, Driggs, St. Anthony, and Lima. No services are available on the 60-mile stretch between St. Anthony and Monida.

Road quality is generally good, but Teton Pass can have frost heaves and potholes in spring. Winter travel requires snow tires or chains; the pass is often closed during blizzards. Summer construction is common—check 511 for Idaho and Montana before departing.

Infrastructure safety is high: roads are well-maintained, but Teton Pass lacks guardrails in sections. Wildlife (moose, deer, elk) is active at dawn/dusk; reduce speed. Rest zones: there are designated pullouts on Teton Pass and near the Montana border. For fatigue management, stop every 2 hours—Victor and St. Anthony are ideal.

Family and child suitability: the route offers many kid-friendly stops. The Teton River at Driggs has easy walking paths and a beach-like area. The St. Anthony Sand Dunes is a must-see: rent sand boards for an adventure. The Museum of the Rockies in Dillon (exit 0) has dinosaur exhibits. How long to drive Jackson to Dillon with kids? Expect 5.5 hours with two 30-minute breaks.

Pet-friendly framework: most gas stations allow leashed pets; the Teton National Forest has numerous dog-friendly trails. In Dillon, the Beaverhead County Park has a pet exercise area. Carry water and shade—summer temperatures in Idaho can exceed 90°F.

Culinary infrastructure: try the Family Inn in Victor for classic Idaho hash browns. In St. Anthony, Grandma's Ice Cream Parlor serves local huckleberry shakes. Dillon has The Pizza Mill for after-drive meals. Things to do between Jackson and Dillon include tastings at Teton Valley Brewing in Victor and Gallagher's in Driggs.