. . . . . . . . . . . . "The Tangipahoa River (/t\u00E6nd\u0292\u0268p\u0259\u02C8ho\u028A.\u0259/ tan-ji-p\u0259-HOH-\u0259) originates northwest of McComb in southwest Mississippi, and runs south 122 miles (196 km) through Lake Tangipahoa in Percy Quin State Park before passing into southeast Louisiana. Its mouth opens into the northwest region of Lake Pontchartrain.Alternate/historical names and spellings:"@en . . . "196340.0"^^ . . "-0.9144"^^ . . . "81.9912"^^ . . . . "Tangipahoa"@en . .