Hornopirén is a stratovolcano

Stratovolcano

A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...

 located in the Andes

Andes

The Andes is the world's longest continental mountain range. It is a continual range of highlands along the western coast of South America. This range is about long, about to wide , and of an average height of about .Along its length, the Andes is split into several ranges, which are separated...

, in Los Lagos Region

Los Lagos Region

Los Lagos Region is one of Chile's 15 regions, which are first order administrative divisions, and comprises four provinces: Chiloé, Llanquihue, Osorno and Palena. The region contains the country's second largest island, Chiloé, and the second largest lake, Llanquihue.Its capital is Puerto Montt;...

 of 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...

, south of Yate Volcano

Yate (volcano)

Yate Volcano is a large, glaciated stratovolcano located in the southern Andes, in the Los Lagos Region of Chile, south of the Reloncaví Estuary...

 and east of Apagado

Apagado

Apagado is a pyroclastic cone with scattered vegetation cover. It has an approximately -wide crater and a base diameter of approximately...

 or Hualiaque pyroclastic cone. Hornopirén lies on the major regional Liquine-Ofqui Fault

Liquiñe-Ofqui Fault

The Liquiñe-Ofqui Fault is major geological fault that runs a length of roughly 1000 km in a north-south direction and exhibits current seismicity . It is located in the Chilean northern patagonean Andes. It is a dextral intra-arc transform fault...

. The volcano is said to have erupted in 1835, although no details are known. The name of the volcano derives from the Spanish

Spanish language

Spanish , also known as Castilian , is a Romance language in the Ibero-Romance group that evolved from several languages and dialects in central-northern Iberia around the 9th century and gradually spread with the expansion of the Kingdom of Castile into central and southern Iberia during the...

 word for oven, horno and the native Mapudungun

Mapudungun

The Mapuche language, Mapudungun is a language isolate spoken in south-central Chile and west central Argentina by the Mapuche people. It is also spelled Mapuzugun and sometimes called Mapudungu or Araucanian...

word for snow pirén, thus Hornopirén means snow oven.