Cerros de Tocorpuri is a volcanic complex located along the border between Bolivia

Bolivia

Bolivia officially known as Plurinational State of Bolivia , is a landlocked country in central South America. It is the poorest country in South America...

 and Chile

Chile

Chile ,officially the Republic of Chile , is a country in South America occupying a long, narrow coastal strip between the Andes mountains to the east and the Pacific Ocean to the west. It borders Peru to the north, Bolivia to the northeast, Argentina to the east, and the Drake Passage in the far...

. Cerros de Tocorpuri's summit crater has a diameter of 1.4 km.
On its west side lies a rhyolite

Rhyolite

This page is about a volcanic rock. For the ghost town see Rhyolite, Nevada, and for the satellite system, see Rhyolite/Aquacade.Rhyolite is an igneous, volcanic rock, of felsic composition . It may have any texture from glassy to aphanitic to porphyritic...

 lava dome

Lava dome

|250px|thumb|right|Image of the [[rhyolitic]] lava dome of [[Chaitén Volcano]] during its 2008–2009 eruption.In volcanology, a lava dome is a roughly circular mound-shaped protrusion resulting from the slow extrusion of viscous lava from a volcano...

 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

Scree

Scree, also called talus, is a term given to an accumulation of broken rock fragments at the base of crags, mountain cliffs, or valley shoulders. Landforms associated with these materials are sometimes called scree slopes or talus piles...

 and its top surface is bumpy-ridged.

The complex is located at about 30 km. from the El Tatio

El Tatio

thumb|A geyser bubbling at El Tatio geyser fieldEl Tatio is a geyser field located within the Andes Mountains of northern Chile at 4,200 meters above mean sea level. Contrary to some reports, it is not the highest-elevation geyser field in the world. Puchuldiza Geyser Field, Chile, and possibly...

 geothermal field.

See also

• List of volcanoes in Bolivia
• List of volcanoes in Chile
• Putana Volcano
  Putana Volcano
  Putana is a stratovolcano on the border between Bolivia and Chile. It lies immediately NNE of Cerro Colorado, about north of Volcán Escalante, the northernmost member of the Sairecabur complex and south of the Cerros de Tocorpuri complex...
  
  
• Sairecabur
  Sairecabur
  The Sairécabur volcanic group is a volcanic chain directly south of the Putana Volcano, on the border between Bolivia and Chile. It contains at least 10 postglacial centers, the highest of which is Cerro Sairécabur at...
  
  
• Laguna Colorada
  Laguna Colorada
  thumb|250px|leftLaguna Colorada is a shallow salt lake in the southwest of the altiplano of Bolivia, within Eduardo Avaroa Andean Fauna National Reserve and close to the border with Chile....