Mountain range of el Aramo Nature · Riosa, Oviedo, Asturias The sierra del Aramo, or simply the Aramo, is a limestone ridge of the Montaña Central Asturiana that extends about 15 kilometres from north to south, between the village of Peñerudes, in Morcín, and the Alto de la Cobertoria, separating the basins of the rivers Trubia and Caudal and spread across the concejos of Quirós, Morcín, Riosa and, to a lesser extent, Lena, Santo Adriano and Proaza. It rises more than fourteen hundred metres above the valleys and reaches its highest point at the Gamoniteiro peak, at 1,791 metres; on the Riosa side, the Xistras reaches 1,773 metres, and on its slopes the old copper mines of Texeo emerge. The PORNA declared it a Protected Landscape in 1994, although that designation was never developed with an official declaration or its own management instrument. Photo: Urbano Suárez (CC BY-SA 3.0) What to see and do in Riosa