Start with geography
The shortest way between two waters
The Mississippi's lower course loops enormously. The site chosen for New Orleans in 1718 sits on a crescent of the river at a point where a short overland portage — a route Indigenous peoples of the region already used — reaches Lake Pontchartrain and, through it, the Gulf.
That shortcut is the whole reason for the address. The land itself is terrible for a city: soft delta sediment, close to sea level, hurricane-exposed and flood-prone. The site was chosen for connection, not for ground.
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Sources for this chapter
- U.S. Geological Survey · Water Resources Mission AreaU.S. Geological Survey · checked 2026-09-07
