The Canal de Castilla and the Abánades aqueduct Nature · Melgar de Fernamental, Odra-Pisuerga, Burgos Image of Melgar de Fernamental, not of the place itself. The great eighteenth-century hydraulic work crosses the municipal district with its line of poplars and locks. The aqueduct of Abánades, also called Puente del Rey, crosses the channel with a solid ashlar structure. Photo: Asqueladd (CC BY-SA 3.0) What to see and do in Melgar de Fernamental