La Preste les Bains de la Prats-de-Mollo area a thermal spa in a fortified village on the banks on the River Tech. It lies on the southern slopes of the Canigou at 1130m. Prats-de-Mollo is encircled with walls and is a maze of narrow cobbled streets and ancient mediaeval architecture.
The Fort Lagarde, an impressive fort built by Marshall Vauban in 1683 to strengthen the town's defences, stands above it. The Fort originated as a watchtower set up by the King of Majorca to watch the Col d'Arès, the pass over the mountains from Spain.
The waters of La Preste, are famous for the treatment of urinary infections and related diseases. In 1302 people with leprosy used to bathe in the ’Leper’s pool’ to help to relieve their symptoms.