The arrival of the railway in Sabiñánigo Historical milestone · Sabiñánigo, Alto Gállego, Huesca Image of Sabiñánigo, not of the place itself. The opening of the station in 1893 turned a small place in the Serrablo into the communications hub of the upper Gállego and was the first of the two events that explain its later transformation into the comarca's industrial town. 1893 Photo: José Antonio Gil Martínez from Vigo, Spain (CC BY 2.0) What to see and do in Sabiñánigo