Il Cerro Bayo è un vulcano situato lungo il confine tra l'Argentina ed il Cile.
Bibliografia Siebert, L. and T. Simkin (2002-). Volcanoes of the World: an Illustrated Catalog of Holocene Volcanoes and their Eruptions. Smithsonian Institution, Global Volcanism Program Digital Information Series, GVP-3. URL: http://www.volcano.si.edu/world/
Bayo, Cerro Bayo Bayo, Cerro Bayo Bayo, Cerro Cerro Bayo