The route winds through a small, semi-enclosed, damp, and sheltered valley , where vegetation envelops almost everything. From the outside, you can barely glimpse what lies within: limestone pinnacles, vertical walls, cavities, natural channels, and shady corners where oaks, laurels, chestnuts, strawberry trees, ash, hazel, holly, and yew grow . It's a very Asturian landscape, but with an unexpected, almost secret, touch.
The most curious thing about this place is that its current appearance isn't solely due to water and the passage of time. In Roman times, between the 1st and 2nd centuries AD, this area was mined for gold . Those mining operations exposed galleries and karst formations that water had been creating for millions of years. The result is a unique place: half forest, half mine, half geological wonder.
Today, the Andía Caves are a designated Natural Monument and are one of those places where it's best to stroll at a leisurely pace. A visit allows you to understand how rock, water, and human intervention have combined. Along the way, you'll find remains related to ancient mining: galleries, sealed shafts, trenches, channels, and extraction areas partially covered by vegetation . You don't need to be an archaeology expert to enjoy it; simply let yourself be guided by the path and look around.
The route is short, about two kilometers, and well-marked . It features walkways, stairs, and wooden railings that help visitors stay on the path, which is important for both safety and conservation. It's a highly recommended outing for families with children who are used to walking, although it's not suitable for people with reduced mobility or wheelchairs.
Besides its historical interest, the place is worth visiting for the feeling of entering a small, hidden forest. The mix of Atlantic and Mediterranean vegetation is enhanced by the proximity to the coast and the natural protection of the valley. The area also provides refuge for woodland birds and mammals common to the Asturian mountains, such as foxes, wild boar, and roe deer.
The Andía Caves are, in short, a short but very rewarding excursion: nature, Roman history, geology, and a unique landscape in western Asturias. It's not a monumental site in the solemn sense of the word; it's more of a place to discover slowly, with good shoes and a curious eye . And perhaps that's precisely why it's so highly recommended.
How to get to the Andía Caves
Where are they? In the village of Andía, parish of Arancedo, El Franco council.
To get there, use A Caridá/La Caridad as a reference point. From there, follow the FR-1 road towards Arancedo The road runs for about six kilometers, and once in the area, you take the signposted turnoff towards the caves, about two kilometers further on. The tour is only available with a guide and requires prior booking, so it's best to plan ahead.
Andía Caves book
Type of visit: guided, with prior reservation.
Reservation phone: 619 36 81 69.
Important information about the Andía Caves
· Duration/route: short route, around 2 km.
· Recommendation: wear comfortable shoes for dirt roads.
· Important: This is not a route adapted for reduced mobility.
Text: © Ramón Molleda for asturias.com






















