Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Portezuelo del Cajon - Portezuelo del Cajon also known as Hito Cajon is a mountain pass on the border between Chile and Bolivia located on the lower southeast flank of Juriques volcano close to the Licancabur volcano. While Bolivian customs are completed at the top of the pass Chilean customs are completed in the town of San Pedro de Atacama 45 kilometres (28 mi) away.
A:
Natural Place