Cerro San Cristóbal (Tupahue, San Cristóbal Hill) is a hill in northern Santiago, Chile. It rises 850 m AMSL and about 300 m above the rest of Santiago; the peak is the second highest point in the city, after Cerro Renca. Cerro San Cristóbal was named by the Spanish conquistadors for St Christopher, in recognition of its use as a landmark. Its original indigenous name is Tupahue.