Hot Springs to McGregor Road Trip: Scenic Drive Guide

The route from Hot Springs, Arkansas, to McGregor, Iowa, covers roughly 650 miles along US-65, I-40, I-55, and US-61. A little-known fact: this corridor closely follows the historic Black Hawk Purchase boundary, a contested 1832 land cession that shaped Iowa's settlement patterns.

This drive offers a cross-section of the American Heartland, from the Ouachita Mountains to the Mississippi bluffs. We'll help you find the best stops and hidden gems along the way.

Road quality is excellent on interstates but variable on US-61 north of St. Louis. Watch for deer at dusk, especially in the Ozarks and Driftless Area. Construction zones frequent I-55 between St. Louis and Springfield, MO.

For families, the Magic House Children's Museum in St. Louis is a top stop. Pets are welcome at roadside parks like Mark Twain State Park; carry water and waste bags.

• Fatigue management: Stop every 2 hours at rest areas near exit 48 on I-55 (MO) or exit 220 on I-44 (OK direction). Nap at 30-minute increments.
• Hidden off-route spots: The abandoned highway ghost town of Times Beach, MO (now Route 66 State Park) is a 10-mile detour.
• Climatic conditions: Summer heat (90°F+) and thunderstorms common from May to September. Fall colors peak mid-October.

Gas prices vary considerably between Arkansas and Iowa. As of mid-2024, expect $3.20–$3.50/gallon in AR, dropping to $3.00–$3.20 in MO and IA. Budget for 2-3 fuel stops, each costing ~$45 for a standard sedan. Top up near Branson, MO, and Hannibal, MO, to avoid rural price spikes.

Tolls are minimal: I-55 through Missouri is toll-free. Parking in McGregor is ample and free along Main Street. Use a full tank before leaving McGregor; the nearest large town is Prairie du Chien, WI, 5 miles away across the Mississippi.

• Fuel savings: Use GasBuddy app along I-55 exit 125 in Crystal City, MO.
• Electric vehicles: Chargers every 60 miles on I-55; slower on US-61.
• Time budget: Add 1 hour for each sightseeing stop, 30 min for meals.

Learn how to find the best stops and hidden gems between cities for this route.

South of Springfield, MO, the Ozark Mountains offer rolling forests and limestone bluffs. North of St. Louis, the landscape flattens into the Mississippi River Valley, characterized by agricultural plains and river terraces.

Key natural attractions include the Missouri Wine Country near Hermann, MO, and the rugged Driftless Area of northeast Iowa.

• Natural: Hot Springs National Park (AR), Elephant Rocks State Park (MO), Pikes Peak State Park (IA).
• Cultural: Mark Twain Cave in Hannibal, MO; National Czech & Slovak Museum in Cedar Rapids, IA (detour).
• Local commerce: Amish markets near Kalona, IA; homemade cheese at Bunker Hill Cheese in McGregor.