cinder cone
A cinder cone or scoria cone is a steep, volcanic cone, conical landform of loose pyroclastic rock, pyroclastic fragments, such as volcanic ash, clinkers, or scoria that has been built around a volcanic vent. The pyroclastic fragments are forme ...
s, namely they are Volcanes de Caburgua, Volcán Huelemolle, Volcán Redondo and Pichares. Volcanes de Caburgua is a group formed by six pyroclastic cones located at the southern tip of the
Caburgua Lake
Caburgua Lake () is located 23 km northeast of the city of Pucón, in the La Araucanía Region of Chile. Huerquehue National Park lies to the east of the lake. Like Villarrica Lake, it is part of Toltén River basin. During summer the out ...
, which is a lava-dammed lake created by volcanic activity from the just mentioned cones. Volcán Huelemolle is a group of three cinder cones lying between the rivers Liucura and Trancura.