Mámoas (burial mounds) of Mañón Nature · Mañón, Ortegal, A Coruña Image of Mañón, not of the place itself. The inland hills preserve a well-stocked megalithic necropolis with tumuli such as the mámoa da Fornela or that of Chan de Lodeiro, raised by Neolithic communities on the moorland of the sierra. Photo: Iago Casabiell González (CC BY-SA 4.0) What to see and do in Mañón