Tall trees provide consistent shade across McMullen County Park's large, drive-in sites, which sit within Monroe County Forest outside Warrens, Wisconsin. The campground runs from April through December and caters to both tent campers and RVs, with most sites carrying water and electric hookups. Sites are spacious, some large enough to accommodate multiple setups, though there's little vegetation between them, so privacy comes more from size than screening.
The lake is a focal point here. Campers have access to boat launch facilities, kayak rentals, and a swimming area, and anglers can fish directly from the shoreline. Short hiking trails wind through the property, though reviewers note the trail network is limited in length. A playground sees regular use, and deer have been spotted walking through campsites. Weekday visits tend to find the campground lightly occupied, with long-term designated sites separate from the overnight areas.
Amenities are solid for a county park. Flush toilets and showers are distributed around the grounds, and Sue G. calls them "clean, free showers." A dump station is on-site. Camp hosts are present and, by multiple accounts, approachable. Nearby, Jellystone Park Warrens and other resort-style properties offer a different experience for campers who want more programming. McMullen County Park works well for RV travelers and families who want reliable hookups, lake access, and room to spread out without a lot of noise or crowds on slower days.
RV Road Trip Guides
Map & DirectionsMcMullen County Park is located in Wisconsin near Warrens
Directions
From I-94 take Warrens exit #135. Turn left onto County Hwy. EW and travel into the Village of Warrens. Just before the railroad crossing turn left onto Aspen Road. Travel 2 or so miles and turn right onto Atlantic Road. Follow signs into park.
Address
1703 Atlantic Rd
Warrens, WI 54666
Coordinates
44.15000079 N
90.522 W
Connectivity
T-Mobile5GExcellent Coverage
VerizonLTESome CoverageVerified by 2 usersLast on 8/6/26- AT&TLTESome Coverage
Connectivity
- T-Mobile5GExcellent Coverage
- VerizonLTESome CoverageVerified by 2 usersLast on 8/6/26
- AT&TLTESome Coverage
Access
- Drive-InPark next to your site
Site Types
- Tent Sites
- RV Sites
- Standard (Tent/RV)
- Group
Features
For Campers
- Market
- ADA Access
- Trash
- Picnic Table
- Firewood Available
- Phone Service
- Showers
- Drinking Water
- Electric Hookups
- Toilets
- Alcohol
- Pets
- Fires
For Vehicles
- Sanitary Dump
- Water Hookups
- Pull-Through Sites
- 50 Amp Hookups
- Big Rig Friendly
Drive Time
- 49 min from La Crosse, WI
- 56 min from Eau Claire, WI
- 1 hr 39 min from Madison, WI
- 1 hr 39 min from Wausau, WI
