Despite its size, Thou features many castles of various centuries:
Le château de la Chaise
Le château de Linière
Le château de Thou
Le château du Puys
Economy
As a rural commune, Thou is strongly agricultural with cattle and poultry farming and cereal crops. There is also a hôtel-restaurant, a garage and most importantly a local metalwork industry, Thou Industrie / Beaulieu Industrie.