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 Negro Francisco Laguna del Negro Francisco lies northeast of the city of Copiapó in the Atacama Region of Chile, and can be reached by south-bound roads that diverge from the Copiapó-Tinogasta road close to the Salar de Maricunga. A National Forest Corporation building is close to the southwestern shore of the lake. The area has been called a "scenic beauty". The lake lies at an elevation of , is wide and has a surface area of , but a depth of only about ; the Ministry of Public Works estimated a mean depth of in 1941. The water surface can fluctuate between