A medieval tower overlooking the charming little fortified village of Bastides of Bassoues, the imposing 14th-century keep, a relic of the old castle of the Archbishop of Auch, is a remarkable example of military architecture. Built at the request of Archbishop Arnaud Aubert, this 43-metre high tower follows a quadrangular plan, and was completed in 1371. Its platform offers a magnificent view of the Gascon landscape and the Pyrenees mountain range. Inside visitiors will find a museum about the history of Gascon villages, as well as exhibitions of paintings and watercolours.
Picturesque half-timbered houses and an old 16th-century wooden market hall can be seen on a walk around the keep.