Segunda Angostura is a sound of the Strait of Magellan between the

Patagonian Patagonia () refers to a geographical region that encompasses the southern end of South America, governed by Argentina and Chile. The region comprises the southern section of the Andes Mountains with lakes, fjords, temperate rainforests, and g ...

mainland and

Tierra del Fuego Tierra del Fuego (, ; Spanish for "Land of the Fire", rarely also Fireland in English) is an archipelago off the southernmost tip of the South American mainland, across the Strait of Magellan. The archipelago consists of the main island, Isla ...

. It is located southwest of

Primera Angostura Primera Angostura is a sound of the Strait of Magellan in the Chilean region of Magallanes. It is located near Punta Delgada. It lies between the commune of San Gregorio, in Magallanes Province, to the north, and the commune of Primavera, in ...

, the narrowest part of the Strait between the island and the continent. The sound was named ''Segunda Angostura'' (Spanish for ''Second Narrows'') as it was the second narrows of the strait that ships met when sailing through the strait from east to west.

See also