Castet is a very pretty village wich owes is name at the fortified castle built at the XII century.

Nowadays, it remains the dungeon near the church Saint-Polycarpe and recently restored with Romanesque origin. All is perched on a rocky glacial, a panoramic viewpoint, where you can enjoy the view overlooking the mountain stream. Below the village lies the Port de Castet, a beautiful pastoralism plateau.At departure of the plateau, you will enjoy of circuit hiking and biking, and during the summer walk with donkeys!

Further downstream, there is the Lac de Castet; a natural area dedicated to the walk (many activities and animations during school holidays).