Totally swamped with visitors on public holidays, the Monasterio de San Salvador de Leyre is in an attractive setting in the shadow of the Sierra de Leyre, about 4km from Yesa on the N240. The early Romanesque crypt has a three-nave structure with a low roof and the 12th-century main portal of the church is a fine example of Romanesque artistry.
Look down from the monastery, towards the main road, and you won’t fail to notice the Embalse de Yesa, an enormous expanse of water that's perfect for swimming.