The viewpoint that gives El Viso its name Curiosity · El Viso de San Juan, La Sagra, Toledo Image of El Viso de San Juan, not of the place itself. According to an account of 1576, the town was so named because it stands high up and because from it many villages and lands can be seen. The suffix de San Juan was added in 1916. Photo: Viquipèdia (CC BY-SA 4.0) What to see and do in El Viso de San Juan