Ollagüe (hispanicized spelling) or Ullawi (Aymara ullaña to see, to look at, to watch, wi a nominalizing suffix to indicate a place, "viewpoint", also spelled Ollague) is a massive andesite stratovolcano in the Andes on the border between Bolivia and northern Chile. It is located southeast of the village that shares its name. It has a prominence of 1,686 metres (5,531 ft; 1.048 mi), towering over a mile above the surrounding terrain.