Cavers on an expedition to Sistema Huautla in southern Mexico have recently announced that they have reached a new depth of 1,545 meters (5,069 feet), once again making Sistema Huautla the deepest cave in the western hemisphere. Located in Sierra Mazatec mountains in the southern Mexican state of Oaxaca, Sistema Huautla has been the subject of many expeditions since its discovery in the 1960Œs. One of the most complex deep caves, the system has 17 entrances and many different routes. |