Surrender of the French garrison of Pancorbo Historical milestone · Pancorbo, Ebro, Burgos Image of Pancorbo, not of the place itself. After the battle of Vitoria seven hundred Frenchmen were left isolated in the two fortresses of the gorge: Santa María fell on 28 June 1813 and Santa Engracia capitulated two days later before General Enrique José O'Donnell. 30 de junio de 1813 Photo: WikiAdmin (CC BY-SA 3.0) What to see and do in Pancorbo