10 March 202121 July 2021 Canal du Midi, Castanet A rainy autumn day on the Canal du Midi at Castanet Tolosan. Dai Wynn photographed this colourful view from close to the Castanel canal lock (l’Écluse de Castanet). A small stone building, originally a lock-keeper’s cottage, is now a tea-room at the lock. The Canal du Midi links the Garonne River at Toulouse with the Mediterranean Sea at Étang de Thau (Thau Lake) near Montpellier. Oil painting on linen on board. 30.5 cm high by 40.6 cm wide by 0.3 cm deep approximately.