Tolhuaca Volcano 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 northern part of the Araucanía Region

Araucanía Region

The IX Araucanía Region is one of Chile's 15 first order administrative divisions and comprises two provinces: Malleco in the north and Cautín in the south....

 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...

. The volcano has been shaped by glacial erosion, which contrasts with the relatively smooth slopes of its neighbor Lonquimay

Lonquimay (volcano)

Lonquimay Volcano is a stratovolcano of late-Pleistocene to dominantly Holocene age, with the shape of a truncated cone. The cone is largely andesitic, though basaltic and dacitic rocks are present. It is located in the Araucanía Region of Chile, immediately SE of Tolhuaca volcano. Sierra Nevada...

, due to the younger age of this latter volcano.

The volcano dominates the landscape of Tolhuaca National Park

Tolhuaca National Park

Tolhuaca National Park encompasses part of the forested lower western spurs and foothills of the Andes of the Araucanía Region of southern Chile. Adjoining the park to the north is Malleco National Reserve. The park has an elevation of 700 m asl at its western end and 1,821 m asl at its eastern...

, but is not located within its borders. Its slopes are covered with forests of araucarias

Araucaria araucana

Araucaria araucana is an evergreen tree growing to tall with a trunk diameter. The tree is native to central and southern Chile, western Argentina and south Brazil. Araucaria araucana is the hardiest species in the conifer genus Araucaria...

 and other tree species. Small lakes or lagunas complete the gorgeous scenery.

See also

• List of volcanoes in Chile
• Malalcahuello-Nalcas
  Malalcahuello-Nalcas
  Malalcahuello-Nalcas is a protected area comprising two adjoining national reserves: Malalcahuello and Nalcas. It is located in the Andes, in the Araucanía Region of Chile and bordering the Bío-Bío Region....
  
  
• Callaqui
  Callaqui
  Callaqui is a stratovolcano located in the Bío-Bío Region of Chile. It is a large ice-capped, basaltic andesite volcano which is elongated in the northeast-southwest direction, due to its construction along an 11 km  long fissure. Numerous cinder cones and lava flows have erupted from...
  
  
• Sierra Nevada
  Sierra Nevada (stratovolcano)
  Sierra Nevada is a stratovolcano located in the Araucanía Region of Chile, near the Llaima volcano. Its last certain eruptions were in the Pleistocene period, but its activity may extend into the Holocene. Its primary lavas are andesitic and basaltic flows, although it has also produced pyroclastic...
  
  
• Llaima
  Llaima
  Llaima Volcano is one of the largest and most active volcanoes in Chile. It is situated 82 km northeast of Temuco and 663 km southeast of Santiago, within the borders of Conguillío National Park.-Geography:...