Founding of the pilgrims' hospital of Arbas Historical milestone · Villamanín, La Montaña de Luna, León Image of Villamanín, not of the place itself. Around 1116 Count Fruela Díaz and his wife Estefanía Sánchez founded at the top of the pass a hospice to shelter travellers climbing from the meseta towards Oviedo; it was known as the Casa de los Probes. 1116 Photo: Luis Miguel Bugallo Sánchez (Lmbuga) (CC BY-SA 3.0) What to see and do in Villamanín