Ouvrage Champ de Tir, also known as Champ de Tir de l'Agaisen (Agaisen firing range) is a lesser work (petit ouvrage) of the Maginot Line's Alpine extension, the Alpine Line. It is located at an altitude of , less than 1 kilometer to the northwest of Ouvrage l'Agaisen. The ouvrage consists of two entry blocks and one infantry block, sited to control the valley of the Nieya and to observe for l'Agaisen.