Castres is a charming town in the Tarn department of Occitanie, France. It is known for its picturesque riverside houses, which reflect the colors of the water and the sky. Castres also boasts a rich cultural and religious heritage, with the former Episcopal Palace and the Goya Museum as its highlights. The palace houses the town hall and a splendid garden designed by Le Nôtre, while the museum displays a collection of Spanish paintings and sculptures. Castres is also a great base to explore the nearby natural attractions, such as the Sidobre granite plateau and the Montagne Noire mountain range.