Cerros de Tocorpuri is a volcanic complex located along the border between Bolivia and Chile. Cerros de Tocorpuri's summit crater has a diameter of 1.4 km. On its west side lies a rhyolite lava dome called Cerro La Torta (Cake Hill), named so because of its cylindrical cake shape. Cerro La Torta has a volume of about 5 cu km and the height of this lava dome above the surrounding terrain is about 450 m. Its steep sides are covered with scree and its top surface is bumpy-ridged.The complex is located at about 30 km. from the El Tatio geothermal field.