Castle of Santa Marta de Pancorbo Monument · Pancorbo, Ebro, Burgos Image of Pancorbo, not of the place itself. A fortress perched on the crags of the gorge, known as La Sala and attributed to the repopulation of the ninth century; it retained strategic value until it burned and was left razed in 1835, during the Carlist wars. Photo: Dudito (Public domain) What to see and do in Pancorbo