 Through the ravine and within the reserve runs the Conchas River where the trace of National Route 68, which connects the town of Cafayate with the city of Salta.In its route you can see landscapes of very varied colors and geoforms of great variety among which are the Garganta del Diablo and the amphitheater of reddish sedimentary rocks.In the past (when the past was humid) these formations were cascades of fresh water and that by the flow of concentrated water they were eroding the stone, which today astonish by its special configuration.