Cerro Sombrero is a village in southern Chile. It is located in the Primavera commune in the Magallanes Region, in the northern part of Tierra del Fuego, about 125 km from Porvenir. According to the 2002 census, it had 687 inhabitants.

The Magallanes Region, officially the Magallanes y la Antártica Chilena Region, is one of Chile's 16 first order administrative divisions. It is the southernmost, largest, and second least populated region of Chile. It comprises four provinces: Última Esperanza, Magallanes, Tierra del Fuego, and Antártica Chilena.