Greenway of the mining railway Activity · A Pontenova, Mariña Oriental, Lugo Image of A Pontenova, not of the place itself. The course of the old mining railway, with its tunnels and cuttings dug above the Eo valley, is today walked and cycled as an industrial heritage itinerary between A Pontenova and the coast. Photo: Elisardojm (CC BY-SA 4.0) What to see and do in A Pontenova