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 Redonda Laguna Redonda The Redonda Lagoon (Spanish: Laguna Redonda)is a lagoon of the city of Concepción, Chile. It covers a surface of m² and contains the deepest lagoon of all the city, with a depth of 19 m. Laguna Redonda is located about of distance of the River Biobío, on the west of the hill Chepe and the northwest at of the Laguna Lo Galindo. The name "Redonda" is due to its circular shape, with an average diameter of . At the beginning of the 20th century, the lagoon was the halfway between Concepción and Talcahuano. It was part of the