Castelnau-Picampeau is a former hospital estate, situated between the Touch and Louge valleys. The village boasts a rural church dedicated to Notre-Dame (16th century).
There are superb views of the Pyrenees from the village.
Attractions in Castelnau-Picampeau include the fortified brick castle, the mud farm, the old tile works dating from 1820 and the small Las Planes castle.
