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Rainbow Flowage Access

Rainbow Flowage Access provides a public boat ramp on County Road D near Lake Tomahawk, offering convenient access to the 3,153-acre Rainbow Flowage impoundment of the Wisconsin River.

The area features multiple access points including boat ramps and carry-in sites around the flowage, with parking available at the dam area and other designated locations for both motorized and paddle craft.


Nearby points of interest

Find excellent fishing spots, easy access to boat ramps, and all the amenities you need for a memorable day. Your adventure starts here.

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Wisconsin licenses and regulations

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