Nelson Dewey State Park - United States
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About Nelson Dewey State Park
RV quick facts for Nelson Dewey State Park
| Detail | Information |
|---|---|
| Max RV length | Sites accommodate trailers and motorhomes up to about 35 ft; confirm at reservation |
| Full hookups | No full hookups; electric sites available, no water or sewer at site |
| Dump station | Seasonal dump station on site |
| Reservation window | Wisconsin State Parks reservations open 11 months in advance via Wisconsin DNR |
| Cell service | Generally usable on major carriers at the bluff-top campground, spotty in valleys |
| Road restrictions | Steep, winding park entrance road; oversized rigs should drive with caution |
| Generator hours | Quiet hours 10 p.m. to 7 a.m.; generator use restricted during quiet hours |
Featured RV rentals for Nelson Dewey State Park
Best time to visit Nelson Dewey State Park
Late May through early October offers the most reliable weather for RV travel, with warm days, open campground loops, and active interpretive programs. September and early October bring cooler nights, fewer mosquitoes, and excellent fall color along the bluffs as hardwoods turn. July and August are peak season and book up on weekends, so reservations are recommended. April and November are quieter shoulder months but can be cold and wet, with limited services.
Campground closed for winter, day-use only
Campground closed for winter, day-use only
Campground closed; trails muddy
Campground typically opens late in the month
Wildflowers and migratory birds active
Thunderstorms possible; reservations recommended
Peak season; book early
Peak season; humid
Excellent shoulder-season camping
Fall color peaks mid-month; campground typically closes late October
Campground closed, day-use only
Campground closed for winter, day-use only
Things to do at Nelson Dewey State Park
- Mississippi River Bluff Overlooks EasyRV parking available
Scenic overlooks along the bluff edge offer expansive views of the Mississippi River valley several hundred feet below. Short paved and gravel paths from the picnic area and campground reach the best viewpoints, making them accessible for most visitors.
- Park Hiking Trails ModerateRV parking available
A network of hiking trails loops through oak woodlands, restored prairie, and along the bluff line. Routes connect the campground, picnic areas, and overlooks and provide chances to spot deer, wild turkey, and migrating raptors.
- Stonefield Historic Site EasyRV parking available
Stonefield is a state historic site located across Highway 133 from the park, preserving Nelson Dewey's farm and a recreated 1900s village. RV travelers can park in the day-use lot and walk between the park and historic site.
- Effigy Mound Viewing EasyRV parking available
The park contains a group of Native American effigy mounds set among the upland forest. Interpretive signs describe the mound builders and the cultural significance of the site.
- Birdwatching the Mississippi Flyway EasyRV parking available
The bluffs sit directly above the Mississippi Flyway, one of North America's major migration corridors. Spring and fall bring waterfowl, songbirds, and raptors, with bald eagles often visible year round.
- Picnicking and River-View Day Use EasyRV parking available
Open picnic areas with tables and shelters sit near the bluff edge, offering shaded lunch spots with sweeping river views. Several day-use lots accommodate larger vehicles.
- Cassville Car Ferry Excursion Easy
The seasonal Cassville Car Ferry crosses the Mississippi to Iowa just south of the park and is a popular short side trip. Note that it has vehicle size and weight limits, so most RVs should leave the rig at camp and drive a tow vehicle or walk on.
Top Hosts near WI, United States
Paige was great to work with! She was very responsive and helpful. Camper was exactly as pictured.
Cassie H. - Aug 2025
We had a great experience renting from Paige and her husband. Everything went very smoothly! Their camper is beautiful and clean. Paige had a basket full of goodies for us upon arrival. Paige was very quick to respond to any questions on the app. Set up was quick and easy! I would definitely rent from them again!!
Kristin K. - Jul 2025
Pleasant and professional
Chris T. - Jul 2024
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RV Rentals Nelson Dewey State Park
Nelson Dewey State Park, WI, United States
How to get to Nelson Dewey State Park
The park is just north of Cassville on State Highway 133, about 75 miles southwest of Madison (roughly 1 hour 45 minutes) and about 110 miles north of Dubuque, Iowa via the Great River Road. RV drivers should plan for narrow, winding two-lane highways through the Driftless Area, with steep grades and curves on the final approach to the bluff-top campground. There are no major tunnels or weight-restricted bridges on standard routes, but the Cassville Car Ferry across the Mississippi has size and weight limits and should not be used by larger motorhomes. The nearest commercial airport is Dubuque Regional Airport, with larger fly-and-rent options at Madison (MSN) and Cedar Rapids (CID).
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