Shelter - Refugio de Usabas
It is located in the Plan you used in one of the circuses at the head of the Barranco del Puerto. To the southeast of the Sierra de Partacua.
It is accessed by a restricted track that starts from the access road to Aso de Sobremonte.
It can also be accessed by a signposted road that starts from the Port de Portalet road, in front of the Santa Elena bridge, 4km north of Biescas.