Laguna del Maule (volcano) about fourteen shield volcanoes and stratovolcanoes that have been degraded by glaciation. The Laguna del Maule volcanic field covers a surface area of and contains cones, lava domes, lava flows, and shield volcanoes. There are 130 volcanic vents at Laguna del Maule. The lake is surrounded by 36 silicic coulees and lava domes. Over of the field is covered by these rocks, and volcanic ash and pumice produced by the eruptions has been found in Argentina. Presently some summits around Laguna del Maule reach altitudes of . The volcanic field lies at an average height of . Among the various
Laguna del Maule (volcano) northwest of Laguna del Maule, a neighbouring rhyodacite west of Laguna del Maule dam, basaltic () 63,000–62,000 years ago near the outlet of Laguna del Maule, a rhyolite east of the outlet 38,000 ± 29,000 years ago, and andesites also west of the dam 27,000–26,000 years ago named . Silicic volcanic units erupted after 25,000 include young andesites on the western coast of Laguna del Maule 24,000 years ago, rhyodacitic 21,000 years ago southeast of Laguna del Maule and rhyolitic () 19,000 years ago in the northern part of the field, the latter of which dammed the Maule River and