Laramie to Havre Road Trip: High Plains to Hi-Line

The drive from Laramie, WY to Havre, MT traverses roughly 460 miles of the American West, crossing the Continental Divide twice (at 8,640-foot Sherman Hill and near the Montana state line) and transitioning from the arid high plains of Wyoming to the vast prairie of Montana's Hi-Line. This route follows I-25, I-90, and US-87, passing through historic railroad towns and expansive ranchlands. Notably, Laramie sits at 7,200 feet, while Havre is at 2,500 feet—a significant descent. Learn how to find the best stops and hidden gems between cities.

Before setting out, check road conditions: Wyoming's I-80 corridor can be treacherous in winter, and construction on I-25 is common. The best times to drive are late spring through early fall (May–September), when daylight stretches to 15 hours and wildlife is active but manageable. Below is a quick reference table for key route metrics.

Leaving Laramie, the Medicine Bow National Forest offers glimpses of the Snowy Range (peaks over 12,000 ft). As you descend into the Laramie Basin, pronghorn antelope and red-tailed hawks are common. The route then climbs to the Sherman Summit, the highest point on I-80 (8,640 ft), where a rest area commemorates the Transcontinental Railroad.
North of Cheyenne, the landscape flattens into shortgrass prairie, with the Black Hills visible to the east. Near Buffalo, the Bighorn Mountains rise abruptly—a dramatic contrast of granite and pine.

• Don't miss the Terry Bison Ranch (exit 27 on I-25) for a bison tour and fudge.
• In Buffalo, the Occidental Hotel (est. 1879) has a museum with Butch Cassidy artifacts.
• Between Sheridan and the Montana line, the Tongue River Reservoir offers fishing and camping.

Local commerce along the route leans heavily on agriculture and tourism. In Hardin, the Little Bighorn Battlefield (site of Custer's Last Stand) is a must: admission $20 per vehicle. Havre's Wahkpa Chu'gn Buffalo Jump is a 2,000-year-old archaeological site adobe village.
For authentic Montana cuisine, try the Trolley's Restaurant in Buffalo (bison burgers), or the Mission River Grill in Hardin (huckleberry pie).

Driving this route in one day is feasible but tiring; aim for at least two breaks. The monotony of the high plains can induce highway hypnosis, so vary your speed and use audiobooks.
Wildlife: Pronghorn, deer, and occasionally elk cross the road at dawn/dusk. Use high beams on unlit sections of US-87 and slow down near water sources.

• Family stops: The Wyoming Dinosaur Center (Thermopolis, 1 hr detour) has excavated fossils and dig pits for kids.
• Pet-friendly: Most rest stops have grass areas; the Sheridan Dog Park (S. Sheridan Ave) is a good off-leash break.
• Wheelchair accessible: Rest stop facilities are ADA-compliant, but some historic sites in Havre have uneven terrain.

For fatigue management, plan a stop every 2 hours. The Casper WY rest area (mile 189 on I-25) has picnic tables and clean bathrooms. In Sheridan, the public library on Grinnell Plaza offers free Wi-Fi and a quiet spot.
Weather: Summer afternoons can bring sudden thunderstorms with hail; winter brings blizzards that may close I-80 for hours. Check NOAA alerts before departure.

Hidden off-route spots: The Pathfinder National Wildlife Refuge (near Casper) hosts thousands of migrating waterfowl. Another is the ghost town of Gebo (south of Hardin), with a preserved general store.

Fuel stops are spaced roughly every 60–80 miles along I-25 and I-90, but become sparse on US-87 between Hardin and Havre. Fill up in major towns like Cheyenne, Casper, Buffalo, Sheridan, and Hardin. Avoid coasting on empty between Buffalo and Hardin (180 miles) as services are limited.
Road quality: I-80 and I-25 are well-maintained; US-87 is a two-lane highway with moderate shoulders, watch for deer and cattle grids.

• Average fuel economy: ~25 mpg, expect ~18 gallons total.
• Gas prices tend to be lower in Wyoming (by ~$0.20/gal) than Montana.
• Rest stops: Every 30–50 miles on interstates, with picnic tables and restrooms.
• Lodging: Chain motels abundant in Casper, Buffalo, and Sheridan; limited in Hardin and Havre.

Cell service is spotty on US-87: AT&T and Verizon have intermittent coverage; T-Mobile is largely absent. Download offline maps for Montana segments. Emergency services: Wyoming Highway Patrol (dial *WYO) and Montana Highway Patrol (dial *MHP).