The floor of the Cauca Rift Valley, situated at an altitude of 800 to 1,100 metres, rises gradually towards the south, reaching an altitude of 1,760 metres at Popayán and continuing through the increasingly narrow Paria Rift Valley as far as the border with Ecuador. The picture shows the rift zone south-west of Popayán. - Book: Picture 34 - Colombia - 1977
The floor of the Cauca Rift Valley, situated at an altitude of 800 to 1,100 metres, rises gradually towards the south, reaching an altitude of 1,760 metres at Popayán and continuing through the increasingly narrow Paria Rift Valley as far as the border with Ecuador. The picture shows the rift zone south-west of Popayán. - Book: Picture 34 - Colombia - 1977