McGregor to Ephraim: Scenic Drive Guide

Leaving McGregor, Iowa, you cross the Mississippi River on the historic Highway 18 bridge, a steel truss structure dating from 1929. The drive to Ephraim, Wisconsin, covers 291 miles and typically takes 4 hours and 45 minutes of pure driving time, but you'll want to allow at least a full day to experience the route.

Ask locals about the river's moods; the Mississippi backwaters here are a critical migratory stopover for over 300 bird species. The route climbs from the Driftless Area's limestone bluffs to the glacial moraines of the Wisconsin Northwoods, a transition you could easily miss if you speed.

For smart trip planning, see how to find the best stops and hidden gems between cities.

The Driftless Area near the Mississippi features rugged, Mississippi River bluffs carved by ancient glacial meltwater. This region avoided flattening by the last glaciers, leaving steep hills and valleys that support unique plant communities, including the federally threatened Northern Monkshood.

As you head east, the terrain flattens into dairy country, where you can see herds of Holstein cattle and sprawling cornfields. The Wisconsin River cuts through the Wisconsin Dells, a tourist hub with sandstone rock formations.

Local commerce thrives on farm-to-table restaurants and farmers' markets; try the fried cheese curds at the Glarner Stube in New Glarus, a Swiss-themed town with a working brewery. The New Glarus Brewing Company offers tours and tastings daily.

Well-known local products include Wisconsin cheddar and maple syrup from Door County (near Ephraim), where you can visit the Door County Maritime Museum.

The highway network is well-maintained, but in winter, be prepared for snow-covered roads, especially between Prairie du Chien and Madison. Fuel costs on the Iowa side are generally 10–15 cents per gallon cheaper than in Wisconsin, so top up in McGregor or Monona.

• Fuel stops are plentiful every 30–40 miles along major corridors.
• Wisconsin's minimum gas tax is 30.9 cents per gallon; Iowa's is 30 cents.
• Rest areas are open 24/7 and some offer free Wi-Fi.

The route includes several small towns with old-fashioned main streets: Prairie du Chien (established 1673) and Mineral Point (founded 1827, known for its Cornish miners' cottages). Leave time for a detour to Taliesin in Spring Green, the summer home of architect Frank Lloyd Wright, which is open for tours.

Traffic is light outside of peak summer weekends, but the roads narrow to two lanes from Prairie du Chien to Baraboo, so expect slower truck speeds.

The route is generally safe, but watch for deer, particularly at dawn and dusk, and avoid night driving in rural areas. In winter, carry chains and an emergency kit.

For families, stop at the National Mississippi River Museum & Aquarium in Dubuque, Iowa (about 30 minutes from McGregor), and the Mid-Continent Railway Museum in North Freedom, Wisconsin. For a nature break, the Horicon Marsh State Wildlife Area has boardwalks and observation towers.

Pets are welcome at most state parks, but not on indoor museum attractions; many hotels along the route are pet-friendly with a fee.

To manage fatigue, plan to stop every 2 hours. The Wisconsin Department of Transportation operates rest areas with free coffee, vending machines, and picnic areas. A notable hidden off-route spot is the New Glarus Woods State Park, which offers hiking and a trail shelter.

Overall, the drive is worth taking for its scenic variety and cultural stops; it's a well-maintained corridor with ample services to stress-free travel.