DULUTH, MN (KDAL) - Duluth's Bayfront Festival Park will host "Le Festival des Montgolfieres a Duluth" or the Duluth Balloon Festival on September 20th through the 22nd. The free event is being organized by Ryan Kern, the President of the Duluth Air and Aviation Expo. Along with about a dozen hot air balloons, the festival will also feature many educational activities including the launching of weather balloons and family entertainment. The hot air balloons will take flight two hours after sunrise and again two hours before sunset. Tethered balloon flights will also be available.