Ebro River in Gallur Nature · Gallur, Ribera Alta del Ebro, Zaragoza The Ebro flows through Gallur, a town that in 1209 the king of Aragón handed over as security for a loan to the monarch of Navarre, having already been the scene in 1147 of a clash between Navarrese and Catalan troops. Photo: Zarateman (CC0) What to see and do in Gallur