Tower located in Loudun.It dominates the city and its territory. Probably built in wood around 1040 by Foulques Nerra, Count of Anjou and Lord of Loudun, it was razed and rebuilt on the same foundations by his grandson Fulk the Rechin during the twelfth century, according to the current form.This building served as watchtower, 31 meters high. It consisted of three floors separated by floors; the upper floor with a stone vault not visible from the foot of the Tower,In the 15th century it was enclosed in the buildings of the Royal Palace. In the seventeenth century, it was saved in extremis during the demolition, at the request of Richelieu Castle to mark the victory of the Kingdom against strongholds Protestant.https://www.ville-loudun.fr/decouvrir-loudun-1/monuments-loudun/la-tour-carree-loudun-vienne