Saturday, March 17, 2018


It is located at the beginning of the Strait of Magellan on the southern shore, stretching from the east mouth to the Primera Angostura. It includes sandy beaches such as those at Lomas and Orange, and represents 75% of all relevant beaches and wetlands for shorebirds in southern Chile. It is also important as a habitat for endemic or restricted range invertebrates.


Conservation Status

Least Concern


Chilean Territorial Sea, Chilean Antarctica and Magellan Region (Región de Magallanes y Ant‡rtica Chilena), Province of Tierra del Fuego, Comuna de Primavera.

Biogeographical Region

Temperate seas of South America. Magellanic Province.
Ecoregion: Channels and Fjords of southern Chile.


780 km2

Types of Habitats

Coasts with wetlands, sandy beaches and brown algae beds (Macrocystis pyrifera), relevant as refuges for benthic species in their larval state. Unstable habitats due to strong tidal currents.

Wealth of species

Ten marine mammal species; 25 waterfowl and seabird species.

Main Uses

Artisanal and commercial fisheries. Tourism. Area of intensive navigation.  Oil exploration and drilling.


Chronic contamination related to maritime traffic (fuels, ballast waters). Oil spillls.

Management - Main Government Bodies

Ministerio del Medio Ambiente, Dirección General del Territorio Marítimo y Marina Mercante (DIRECTEMAR), Subsecretaría de Pesca (SUBPESCA), Servicio Nacional de Pesca (SERNAPESCA), Municipalidad de Primavera.

Level of Protection

No marine protected areas. Bahía Lomas was declared Ramsar site.


Crested Duck © Carlos Silva-Quintas

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