Shelter - Refugio del Búnker
You are in Peñas Blancas, the last place you can get to by car, from here if you want to get to Urbión you will have to do it by walking. A break is what this small shelter allows, in which few people can sleep, between 2 and 4. Despite not highlighting its beauty, if it does because it is the mark of the GR-86 that will take you to the peak of Urbión.
ACCESS: On the CL-117 we reach Duruelo de la Sierra. At the exit of the town in the direction of Covaleda we take the asphalted, signposted track that passes next to the Pools and Polideportivo, in the direction of Castroviejo. At about 7 kms. We find a detour, signposted, on the right that indicates the Fuente del Berro Refuge. From here the track is macadam, in good condition. We arrived at the shelter right away. We can leave the car here, although we still have several kilometers left. track pretty monotonous to the Bunker. We continue by car on the track, which is in medium conditions and with its good potholes. In the vicinity of the Bunker the track ends in an open space, where you can park.