Chilean Coast Range in the context of "Magallanes Region"

The Huincul Fault or Huincul Fault Zone (Spanish: Falla de Huincul, Zona de falla Huincul) is an east-to-west-oriented, continental-scale fault that extends from the Neuquén Basin eastwards into the Argentine Shelf. To the west, it has been proposed to extend across the Andes to the Chilean Coast Range.

In the Neuquén Basin, the fault exhibits a slightly curved path, being convex to the north. It is a major geological discontinuity and it truncates the north-to-south-oriented Pampean orogen, among other structures. Because of this, it has been proposed to represent the northern geological limit of Patagonia.

The Central Valley (Spanish: Valle Central), Intermediate Depression, or Longitudinal Valley is the depression running north to south between the Chilean Coastal Range and the Andes Mountains. The Chilean Central Valley extends from the border with Peru to Puerto Montt in southern Chile, with a notable interruption at Norte Chico (27°20'–33°00' S). South of Puerto Montt, the valley has a continuation as a series of marine basins up to the isthmus of Ofqui. Some of Chile's most populous cities lie within the valley including Santiago, Temuco, Rancagua, Talca and Chillán.

The Chiloé Archipelago (Spanish: Archipiélago de Chiloé, pronounced [tʃiloˈe], locally [ʃiloˈe]) is a group of islands lying off the coast of Chile, in the Los Lagos Region. It is separated from mainland Chile by the Chacao Channel in the north, the Sea of Chiloé in the east and the Gulf of Corcovado in the southeast. All islands except the Desertores Islands form Chiloé Province. The main island is Chiloé Island. Of roughly rectangular shape, the southwestern half of this island is a wilderness of contiguous forests, wetlands and, in some places, mountains. The landscape of the northeastern sectors of Chiloé Island and the islands to the east is dominated by rolling hills, with a mosaic of pastures, forests and cultivated fields.

The archipelago is known within Chile for its distinctive folklore, mythology, potatoes, cuisine and unique architecture. The culture of Chiloé is the result of mixing of Huilliche, Spanish and Chono influences in centuries of isolation without much contact with the rest of Chile or the Western World. Its cool temperate climate, abundance of sea resources and large and lush forests have also played a major role in shaping life in the islands.

Cucao and Huillinco are two lakes in central Chiloé Island, Chile, linked by a strait forming one hydrologic lake. The two lakes are oriented in west-east fashion cutting off the Chilean Coast Range in Chiloé Island into two ranges; Piuchén to north and Pirulil to the south. The outlet of the lakes, Desaguadero or Cucao River lies at the western end of Cucao Lake, and flows into the Pacific. To the west Cucao is separated from the open ocean by an ancient dune field and pastures which are crossed by Desaguadero River. The bottom of both lakes is saline.

The Chonos Archipelago is a series of low, mountainous, elongated islands with deep bays, traces of a submerged Chilean Coast Range. Most of the islands are forested with little or no human settlement. The deep Moraleda Channel separates the islands of the Chonos Archipelago from the mainland of Chile and from Magdalena Island.

The largest islands are Melchor Island, Benjamin Island, Traiguén Island, Riveros Island, Cuptana Island, James Island, Victoria Island, Simpson Island, Level Island, Luz Island.