Location and Parking
The Merrimac Preserve is located in Sauk County, WI between Devil’s Lake State Park and the town of Merrimac. There are three parking lots at the preserve. No permits are required to use the parking lots.
- The main parking lot is located on the east side of Hwy 113 and provides access to four of the preserve trails. The address for this parking lot is: S6888 Hwy 113, Merrimac, WI.
- A second parking lot is located on the west side of Hwy 113 and provides access to the Observation Deck Trail (S7153 Hwy 113, Merrimac WI).
- The third parking lot is located on the east side of Marsh Rd. and provides access to the Ice Age Trail (S7162 Marsh Rd, Merrimac, WI).
Hiking Trails
You can hike over 9.5 miles of maintained trails at the Merrimac Preserve. Choose from one of 5 designated loop trails, a segment of the Ice Age National Scenic Trail, or your own combination. The trails are marked occasionally on the ground with small colored arrows according to the trail that you are following. Note that you may encounter additional mowed paths that are not part of the trail system. For example, firebreaks or maintenance access routes.
- Carbon Cycle & Habitat Diversity Trail: 1.8-mile self-guided interpretive trail with great views of the terminal moraine.
- Eagle Scout Nature Trail: 0.7-mile trail with interpretive signage designed and installed by a local Eagle Scout.
- Lookout Trail: 0.9-mile loop on the west wide of Hwy 113 featuring a wooden lookout tower.
- Oak Savanna Trail: 3-mile loop that crosses 3 separate boardwalks.
- Prairie View Trail: 3.3-mile loop that will lead you out and back across a half-mile boardwalk.
- The Ice Age National Scenic Trail: 3.7-mile thru-hike that continues through Devil’s Lake State Park to the northwest and the town of Merrimac to the southeast.
Rules
The Merrimac Preserve is open to the public during daylight hours for low-impact recreational activities. Parts or all of the preserve may be closed occasionally. Obey all signs. There are no restroom facilities or trash cans at the Merrimac Preserve. Help us take care of this special place. Please pick up after yourself and follow the principles of Leave No Trace.

Allowed Activities
Restricted Activities
FAQ
For more information about visiting the Merrimac Preserve, please see our list of frequently asked questions. If you have other questions or would like more information, don’t hesitate to contact us.
