Topographic map of northern South America (IMAGE) Syracuse University Caption Topographic map of northern South America showing the location of the Cauca River Canyon in the red box. Inset box “B” is a West to East topographic cross section across the Andes showing the main landscape features as mountains and valleys. Credit Syracuse University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.