The bull runs of San Miguel Activity · Tarazona de Guareña, Tierra de Peñaranda, Salamanca Image of Tarazona de Guareña, not of the place itself. The festivals of 29 September revolve around bull events: bull runs through the streets and across the countryside, in which numerous riders drive the animals to the square, and open heifer runs for anyone who dares to jump into the ring. Photo: Hovallef (CC BY-SA 4.0) What to see and do in Tarazona de Guareña