El Abra is an archaeological excavation site, located in the valley of the same name, east of the city of Zipaquirá, department Cundinamarca, Colombia; on the Altiplano Cundiboyacense, at an altitude of 2,570 metres (8,430 ft). This cave system is one of the first evidences of human settlement in the Americas, dated at 12,400 ± 160 years BP, used by the hunter-gatherers of the late Pleistocene epoch. The rock shelter, containing petroglyphs, is situated at the northern edge of the Bogotá savanna.