Fee: No vehicle admission sticker required
About this park
The Mukwonago River Unit of the Kettle Moraine State Forest is in Waukesha and Walworth counties. The 970-acre former Rainbow Springs property sits in the Mukwonago River watershed, known for outstanding resource waters and varied habitats. A vehicle admission sticker is not required, and the unit is open 6 a.m. to 11 p.m. year round.
Mukwonago River Unit, Kettle Moraine State Forest FAQ
Where is Mukwonago River Unit, Kettle Moraine State Forest located?
Mukwonago River Unit, Kettle Moraine State Forest is in Mukwonago, Wisconsin, at S103 W33599 County Rd O. GPS coordinates: 42.8567, -88.4178. Get directions.
Is there an entrance fee at Mukwonago River Unit, Kettle Moraine State Forest?
No vehicle admission sticker required. Fees can change by season, so confirm with the park before you go.
How do I contact Mukwonago River Unit, Kettle Moraine State Forest?
You can call (262) 594-6204. The park office can confirm RV site availability, hookups, length limits and current conditions.
Are there RV campgrounds near Mukwonago River Unit, Kettle Moraine State Forest?
Yes. The closest RV-friendly campgrounds listed on ParkedRV are:
- Thomson Causeway (106.6 mi, reservable)
- Pines Point Campground (MI) (124.7 mi, reservable)
- Lake Michigan At Manistee (132.5 mi, reservable)
How current is this information about Mukwonago River Unit, Kettle Moraine State Forest?
This listing was last updated on October 8, 2026. If something is out of date, let us know and we'll fix it.