Beneath its streets, Oviedo hides a geological history marked by Paleozoic rocks, aquifers, caves, minerals, and old quarries. A tour to discover how geology has shaped the city’s landscape, water, mining, and architectural heritage.
Oviedo hides spectacular fossils in the rocks used in its streets and sidewalks. An urban tour to discover ammonites, rudists, gastropods, and corals without leaving the city—ideal for families, groups, and schools.
Why are there lakes in an area dominated by limestone? The Somiedo Lakes hide a story of glaciers, dolomitisation, iron mining and unique high-mountain landscapes in Asturias.
The Arnao Mine combines mining history, geology, and industrial heritage in a unique setting by the sea. Its tunnels, mine shaft, and the fossils on the beach make this visit an educational experience ideal for families and schools.
Barayo is much more than just a beach: it is a protected estuary where the geology explains the shape of the landscape, the course of the river, the dunes, and the cliffs. It’s the perfect excursion for exploring the Cantabrian coastline from a geological perspective.
The Route of the Xanas lets you discover one of Asturias’ most spectacular gorges through a geological lens. A trail through limestone, sandstone, faults, folds and water-carved landscapes, ideal for interpreting the formation of this gorge between Proaza, Serandi and Pedroveya.
The Sierra del Sueve combines karst geology, unique forests, and iconic wildlife at one of the best viewpoints in Asturias. A journey through sinkholes, Asturcones, fallow deer, Picu Pienzu, and the La Biescona beech forest overlooking the Cantabrian Sea.
Explore the eastern coast of Asturias: a paradise of blowholes and flat-topped ridges between Ribadesella, Llanes and Ribadedeva. Discover its karst magic and prehistoric traces. The east will captivate you!
Explore the Picos de Europa: the limestone heart of Asturias, Cantabria, and León. From the Lakes of Covadonga to the Cares, discover its geological history and unique landscapes. You will love it!
The coastal strip of Cabo Peñas offers incredible conditions for identifying the geological features of central Asturias; in addition to the scenery, a wide variety of rocks, fossils, and typical Asturian landscapes can be recognized.
The route through the Covadonga Lakes allows you to discover one of the most emblematic landscapes of the Picos de Europa National Park, combining nature, history, glacial geology, and cultural heritage. From the Pedro Pidal Interpretation Center to the old Buferrera mines, Lake Ercina, Vega del Bricial, and Lake Enol, the route shows how glaciers, moraines, karst, and mining activity have shaped this unique environment. An easy family excursion to understand the origin of the lakes, the power of ice, and the close relationship between the mountains, shepherds, and the memory of Covadonga.
The Samuel Path PR-AS-284 is a low-difficulty circular route that combines nature, geology, and local history between Llames de Pría, Cuerres, and Ribadesella. Along the Guadamía River, the path reveals a peaceful landscape of fertile plains, limestone formations, small waterfalls, and unique spots such as the medieval Mía bridge, with the option to extend the walk to the impressive Bufones de Pría.
