Castle of Tedeja Monument · Trespaderne, Las Merindades, Burgos Image of Trespaderne, not of the place itself. A hilltop fortification above the Ebro considered the oldest of those preserved in Castile, with use documented from Roman and Visigothic times; it dominates the point where the Nela and the Jerea join the Ebro. Photo: Oriolsoleamiell (CC BY-SA 4.0) What to see and do in Trespaderne