| Tangipahoa River | |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | States |
| Subdivision Type3: | Counties |
| Subdivision Type4: | Parish |
| Subdivision Name4: | Tangipahoa |
| Length: | 122miles |
| Source1: | Little Tangipahoa River |
| Source1 Location: | Osyka, Pike County, Mississippi |
| Source1 Coordinates: | 31.1081°N -90.4756°W |
| Source1 Elevation: | 269feet |
| Mouth: | Lake Pontchartrain |
| Mouth Location: | Southeast Ponchatoula, Tangipahoa Parish, Louisiana |
| Mouth Coordinates: | 30.3367°N -90.2739°W |
| Mouth Elevation: | -3feet |
The Tangipahoa River originates northwest of McComb in southwest Mississippi, and runs south [1] through Lake Tangipahoa in Percy Quin State Park before passing into southeast Louisiana. There it flows entirely in the eponymous Tangipahoa Parish until its mouth opens into the northwest region of Lake Pontchartrain.[2]
The Tangipahoa River was named after the Tangipahoa Indians.[3]
According to the Geographic Names Information System, the Tangipahoa River has also been known as:
