The Renaissance Castle of San Leonardo Monument · San Leonardo de Yagüe, Pinares, Soria Image of San Leonardo de Yagüe, not of the place itself. Juan Manrique de Lara had it built in 1563 with a licence from Felipe II: a rectangular bastioned plan, an inner courtyard and four bastions at the corners, a rare example of modern fortification in Castile. Photo: Antonioantonio (CC BY-SA 3.0) What to see and do in San Leonardo de Yagüe