The Castle Bayard is a monument in the municipality of Pontcharra (Isère, Auvergne-Rhône-Alps). It is an attraction for holidaymakers staying in the region.
Originally, this castle was a stronghold located at Pontcharra. Vice-chatelain of the lord of Avallon, Pierre Terrail undertook at the beginning of the fifteenth century the construction of his home at a place called Bayard.