Regional Park of the Montaña de Riaño y Mampodre Nature · Riaño, La Montaña de Riaño, León It protects grasslands, heathland and broom scrub dotted with magnificent remains of beech and oak woods around 1,130 metres, where the Esla and the Orza meet at the foot of the Cantabrian range. Until 2019 it was called the Picos de Europa Regional Park, with which it coincides in its northernmost stretch; together with it, it forms the largest limestone formation in western Europe, with potholes more than a thousand metres deep and very marked glacial erosion, and it holds the region's highest peak, Torre Cerredo, at 2650 metres. Beech woods are the main forest, accompanied by holly, yew and oak, and among its fauna the chamois, roe deer and wolf stand out, along with the occasional Cantabrian brown bear, together with more than a hundred bird species such as the capercaillie, the golden eagle and the bearded vulture. Photo: m.dolores paderne sa… (CC BY-SA 3.0) What to see and do in Riaño