Southwest Pass is one of the

channels Channel, channels, channeling, etc., may refer to: Geography * Channel (geography), in physical geography, a landform consisting of the outline (banks) of the path of a narrow body of water. Australia * Channel Country, region of outback Austral ...

at the mouth of the

Mississippi River The Mississippi River is the second-longest river and chief river of the second-largest drainage system in North America, second only to the Hudson Bay drainage system. From its traditional source of Lake Itasca in northern Minnesota, it fl ...

. It empties into the

Gulf of Mexico The Gulf of Mexico ( es, Golfo de México) is an ocean basin and a marginal sea of the Atlantic Ocean, largely surrounded by the North American continent. It is bounded on the northeast, north and northwest by the Gulf Coast of the United ...

at the southwesternmost tip of the Mississippi River Delta. It lies in

Plaquemines Parish Plaquemines Parish (; French: ''Paroisse de Plaquemine'', Louisiana French: ''Paroisse des Plaquemines'', es, Parroquia de Caquis) is a parish located in the U.S. state of Louisiana. With a population of 23,515 at the 2020 census, the parish ...

in southeastern

Louisiana Louisiana , group=pronunciation (French: ''La Louisiane'') is a state in the Deep South and South Central regions of the United States. It is the 20th-smallest by area and the 25th most populous of the 50 U.S. states. Louisiana is borde ...

in the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territori ...

.''Webster's New Geographical Dictionary'', 1984, p. 690. It has been the main shipping channel in the Mississippi River Delta since 1853. Southwest Pass should not confused with a strait in

Vermilion Parish Vermilion Parish (french: Paroisse de Vermillion) is a parish located in the U.S. state of Louisiana, created in 1844. The parish seat is Abbeville. Vermilion Parish is part of the Lafayette metropolitan statistical area, and located in southern ...

, Louisiana, also known as Southwest Pass.

Notes

References

*''Webster's New Geographical Dictionary''. Springfield, Massachusetts: Merriam-Webster, Inc., 1984. . Landforms of Louisiana Landforms of Plaquemines Parish, Louisiana Channels of the United States Shipping channels {{Louisiana-geo-stub