Rideau Valley Air Park, , located south of Kars is a small airport south of Ottawa, Ontario, Canada on the shore of the Rideau River. The airport has a single 1,800 ft (549 m) grass runway, and serves mainly ultralight and glider traffic.
Private Ultralights and Hangliders also operate from the field. The club is also in correspondence with the Gatineau Gliding club and the Montreal Soaring Council. These clubs host interclub competitions.