Starting from the Alto de la Farrapona, the route crosses Lago de la Cueva, Lago Almagrera, Lago Cerveriz and Lago Calabazosa or Lago Negro, the largest and deepest lake. An essential route for lovers of hiking and nature.

The route starts at Alto de la Farrapona, at an altitude of 1,708 metres, on the dividing line between the Asturian region of Somiedo and the Leonese region of Babia. From the car park, the path heads south, following the route of the PR-AS 15. In just 15 minutes you reach the first lake, Lago de la Cueva, located in a glacial basin surrounded by mountains. The path, wide and well laid out, ascends gently along an old mining track in zigzags that gains height between pastures and stony hills. Shortly after, you reach the viewpoint of the Lago de la Cueva, an ideal spot to contemplate the deep blue waters of the lake, embedded between the mountains.
The path continues towards Almagrera Lake, which can be reached without leaving the route of the PR-AS 15. This is a high mountain area, where silence and the vastness of the landscape accompany the walker. At the end of the ascent, the path forks, and the route takes the branch of the PR-AS 15 towards Cerveriz Lake, instead of going towards the Fresneu valley.
Cerveriz Lake is surrounded by gentle slopes covered with pastureland. Its shore is skirted by a path that leads, little by little, to Lake Calabazosa or Lago Negro, the largest of the Saliencia lakes, with a depth of up to 60 metres. Its characteristic dark colour contrasts with the green and stony surroundings, making it one of the most impressive spots on the route. The path skirts the lake on its left bank until it reaches the dam, from where it links up with a well-marked path that skirts the other side of Lago de la Cueva.
This last section closes the loop by returning to the Alto de la Farrapona, thus completing a route that, with variants adaptable to different levels of experience, offers a complete experience. Between gentle peaks, glacial lakes and alpine meadows, the route allows you to discover the natural and geological wealth of the Somiedo massif, making this route an ideal proposal for both families and more experienced hikers.

  • It runs through the Natural Park and Biosphere Reserve of Somiedo, as well as through the Somiedo ZEC and ZEPA of the Natura 2000 Network.
  • The route partially coincides with the PR-AS 015.

Basic tips before going into the mountains

  • Avoid approaching livestock.
  • If you find mastiffs protecting livestock, do not approach them, do not pet them and do not feed them. Do not allow them to follow you or stray from their herd. They are working.
  • If you go with a dog, always keep it on a leash.
  • Don't leave a trail. Collect all your waste, including organic waste. Nature is not a dumping ground.
  • Act with prudence. Plan your route well, take everything you need and make sure it is adapted to your physical capacity.

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