Lake Pontchartrain is a brackish estuary located in southeastern Louisiana in the United States. It covers an area of with an average depth of 12to. Some shipping channels are kept deeper through dredging. It is roughly oval in shape, about from west to east and from south to north.In descending order of area, the lake is located in parts of six Louisiana parishes: St. Tammany, Orleans, Jefferson, St. John the Baptist, St. Charles, and Tangipahoa. The water boundaries were defined in 1979 (see list of parishes in Louisiana).The lake is also home to the Lake Pontchartrain Causeway, the longest straight bridge over water in the world.NamesakeLake Pontchartrain is named for Louis Phélypeaux, comte de Pontchartrain. He was the French Minister of the Marine, Chancellor, and Controller-General of Finances during the reign of France's "Sun King", Louis XIV, for whom the colony of La Louisiane was named.Use our New Orleans attractions app to visit Lake Pontchartrain on your trip to New Orleans, and learn what else travelers and our writers recommend seeing nearby.
Lake Pontchartrain Reviews
Join us on one of our fishing charters! Inshore and nearshore charter fishing in the Greater New Orleans area including Lake Ponchartrain, Lake Borgne, Delacroix Island, Biloxi Marsh, and the Breton S... more »
This recommenced highly. Travel the Lake Ponchartrain Causeway. It is 24 miles long, and well worth the drive. For those not into water activities, this is a great way to see this large lake. There ar... more »
Come down to Lake Pontchartrain, rest your soul and feed your brain. That's where you will get to see everything the water can be.
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27 days in New Orleans BY A USER FROM AUSTRALIA April, popular & hidden gems PREFERENCES: April ATTRACTION STYLE: Popular & hidden gems PACE: Medium 50 days in United States BY A USER FROM UNITED STATES January, popular & hidden gems PREFERENCES: January ATTRACTION STYLE: Popular & hidden gems PACE: Medium 41 days in United States BY A USER FROM SOUTH AFRICA February, hidden gems PREFERENCES: February ATTRACTION STYLE: Hidden gems PACE: Medium 49 days in United States BY A USER FROM UNITED STATES August, teens, extra slow, hidden gems PREFERENCES: August, teens ATTRACTION STYLE: Hidden gems PACE: Extra slow 3 days in New Orleans BY A USER FROM UNITED STATES December, popular sights PREFERENCES: December ATTRACTION STYLE: Popular sights PACE: Medium 12 days in New Orleans Area BY A USER FROM UNITED STATES July, culture, outdoors, relaxing, romantic, beaches, historic sites, museums, shopping, wildlife, slow & easy, hidden gems PREFERENCES: July, culture, outdoors, relaxing, romantic, beaches, historic sites, museums, shopping, wildlife ATTRACTION STYLE: Hidden gems PACE: Slow & easy