Gorge of la Horadada Nature · Trespaderne, Las Merindades, Burgos The Ebro makes its way through a narrow cut at the foot of the sierra of La Tesla, beside the crags of Tartalés de Cilla; on its slopes survives a centuries-old yew grove uncommon in the north of Burgos. Photo: Art Anderson (CC BY-SA 3.0) What to see and do in Trespaderne