Rock art and Roman road of Palanques Monument · Palanques, Els Ports, Castellón Image of Palanques, not of the place itself. The rock art remains of Palanques, in the comarca of Els Ports, are located in the spot known as El Cingle. The municipality also preserves the remains of an old Roman road. Photo: Juan Emilio Prades Bel (CC BY-SA 4.0) What to see and do in Palanques