The Colca Canyon is a canyon of the Colca River in southern Peru, located about 160 kilometres northwest of Arequipa. With a depth of about 1000 – 2000 m, it is one of the deepest canyons in the world. Its length is about 70 kilometres. The Colca Valley is a colorful Andean valley with pre-Inca rooted inhabitants, and towns founded in Spanish colonial times…The Colca Canyon is a canyon of the Colca River in southern Peru, located about 160 kilometres northwest of Arequipa. With a depth of about 1000 – 2000 m, it is one of the deepest canyons in the world. Its length is about 70 kilometres. The Colca Valley is a colorful Andean valley with pre-Inca rooted inhabitants, and towns founded in Spanish colonial times, still inhabited by people of the Collagua and the Cabana cultures. The local people maintain their ancestral traditions and continue to cultivate the pre-Inca stepped terraces, called andenes.