The Red river
Mississippi River
There is more than one river near New Orleans, but the largest one is the Mississippi River, which flows to the Gulf of Mexico.
The Mississippi flows into the Gulf of Mexico just south of New Orleans.
It's mouth is at the Gulf of Mexico (New Orleans, LA)
Mississippi river
It doesn't flow into a "sea". It flows into the Gulf of Mexico, part of the Atlantic Ocean. The Gulf is much larger than so many " seas " such as the Sea of Japan, between Russia and Japan, and the Aegean Sea of Southern Europe.
It flows southward into the Gulf of Mexico.
The Mississippi River.
Mississippi River
the Mississippi river starts in Minnesota and ends in the gulf of Mexico
The Mississippi River starts in Lake Itasca, located in northern Minnesota. It flows almost the entire length of the United States, from north to south, until it empties into the Gulf of Mexico at its delta, southeast of New Orleans, Louisiana.
The most famous of river deltas is the delta formed by the Mississippi River. The delta forms just off the coast of New Orleans, the major city the river flows past on its way to the Gulf of Mexico.