Many of the most impressive sights in the Valley of the Río las Conchas (Quebrada de Cafayate) are along the paved, 183-kilometres-long National Route 68 that goes from Salta to Cafayate. National Route 40 goes for 165 kilometres from Cafayate to Cachi, another of the most visited points in the area (please note that this stretch of RN40 is not paved and should be...