Arbois has a remarkable religious heritage. The most visible of all is undoubtedly the Saint-Just church, visible from afar thanks to its characteristic bell tower. The 60-metre high steeple is completed by a Romanesque building with three naves, a gallery and numerous side chapels. This church is also worth seeing for its sublime carillon, composed of 20 bells, 11 of which were cast in 1738. Classified as a Historic Monument, this ensemble is one of the few still preserved in France.