Merrimac Ferry (Colsac III)

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The Merrimac Ferry is open for the 2023 season.

Ridership guidelines are in place as precautionary measures for the safety of ferry staff and passengers:

  • Ferry passengers are encouraged to remain in vehicles.
  • Motorcyclists should stay in their respective boarding lane and stay single file during the crossing.
  • Pedestrians and bicyclists are allowed on the ferry.
  • The restroom building at the Merrimac Ferry landings are open.

Note: The ferry closes from 9 a.m. to 10 a.m. on Wednesdays for refueling.​

Merrimac Ferry crosses the Wisconsin River between Sauk and Columbia counties. The ferry generally operates April to November. The Merrimac Ferry, Wisconsin's only FREE ferry, takes about seven minutes for a single crossing.​

Note: Hazardous materials, including but not limited to, agricultural nitrogen, propane in excess of 100 pounds, and fuel in excess of 100 gallons, are NOT allowed on the vessel.

​Emergency and/or planned maintenance closures of the ferry will be posted on the 511 Wisconsin Travel Information website. ​Learn how to receive closure alerts directly to your email.​​​​​​​​​​​​​​​​​

​​​Questions about the content of this page:

Merrimac Ferry Project Team
(608) 246-3800