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
Marano Lagoon considered a single huge lagoon called in Italian "Grado-Marano Laguna" (or even only "Laguna di Grado"), stretching from Grado to Lignano Sabbiadoro and called "the twin sister of the Laguna di Venezia". However the Marano Lagoon is under the administration of the "Comune di Marano Lagunare" (while the eastern section is administered mainly by the "Comune di Grado"). The Marano section of the lagoon is crossed longitudinally by the "Venetian coast waterway", a waterway that connects Venice with the mouth of the Isonzo river. This section starts on the southern side with Lignano Sabbiadoro, a resort city developed mainly after