Blackhawk River Runs, in Mazomanie, WI, is the lower Wisconsin Rivers family owned and operated canoe rental company and sandbar camping experience. We are centrally located between Mazomanie and Sauk City. For canoeing, kayaking, sandbar camping and more, give us a call! Were the best-kept secret on the Lower Wisconsin River since 1970! Certifications: CDL Fully Licensed Bus Drivers. Associations: Better Business Bureau, Sauk Prairie Chamber of Commerce.