Montalto Di Castro Airfield is an abandoned World War II military airfield in Italy, located approximately 16 km southwest of Canino, in the province of Viterbo (northern Lazio) in the internal part of Maremma Laziale, 90 km north-northwest of Rome. Once completed it was turned over for use by the Twelfth Air Force 324th Fighter Group, 14 June and 19 July 1944, P-40 Warhawk During the Invasion of Southern France (Operation Dragoon), the airfield may have been used by elements of the 314th Troop Carrier Group in mid-August 1944