Clock of the Keep of Cofrentes Curiosity · Cofrentes, El Valle de Cofrentes-Ayora, Valencia Image of Cofrentes, not of the place itself. The clock on the keep of Cofrentes castle is considered the oldest public clock in the Comunitat Valenciana and one of the oldest in Europe still in working order. Photo: Isabelvaliente (CC BY-SA 4.0) What to see and do in Cofrentes