Big Branch is an

unincorporated community An unincorporated area is a region that is not governed by a local municipal corporation. Widespread unincorporated communities and areas are a distinguishing feature of the United States and Canada. Most other countries of the world either have ...

St. Tammany Parish St. Tammany Parish (french: Paroisse de Saint-Tammany) is a parish located in the U.S. state of Louisiana named after Tamanend, the legendary Lenape Chief of Chiefs and the "Patron Saint of America." At the 2020 census, the population was 2 ...

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 ...

, United States. The community is located on U. S. Route 190 southeast of Mandeville and 3.5 miles northwest of Lacombe. The

Big Branch Marsh National Wildlife Refuge Big Branch Marsh National Wildlife Refuge was formed in 1994. It is composed of of pine flatwoods, oak rides and coastal marsh. This diverse habitat is an example of the natural coastline of Lake Pontchartrain surrounded by fast developing communi ...

lies along the coast of

Lake Pontchartrain Lake Pontchartrain ( ) is an estuary located in southeastern Louisiana in the United States. It covers an area of with an average depth of . Some shipping channels are kept deeper through dredging. It is roughly oval in shape, about from west ...

south of the community between Mandeville and Slidell.''Louisiana Atlas & Gazetteer,'' DeLorme, 3rd ed., 2010, p. 48 Entrance sign to the big branch marsh national wildlife refuge

Entrance sign to the big branch marsh national wildlife refuge

References

Unincorporated communities in St. Tammany Parish, Louisiana Unincorporated communities in Louisiana Unincorporated communities in the New Orleans metropolitan area {{Louisiana-geo-stub