We are Open for the Season! Your health and safety is our top priority and we are taking all necessary steps to ensure a safe and healthy environment! 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!