The village includes the Ohta house-fort, an interesting manor compound built around a significantly large Late Medieval tower with walls over two metres thick and an entrance about 8 metres off the ground. In the fourteenth century, the village was most probably enclosed by a curtain wall or by the connecting surrounding houses. In fact, the men of Arnad were granted concessions in 1321 by Amedeo di Vallaise including the lord’s right to order improvements to the village walls. In addition to some houses that belonged to local lords, which still present “noble” traits, there are many homes owned by the aristocracy, notaries and chamberlains which preserve valuable architectural details such as ample parlours, large fireplaces and graceful “viret or tornette”.