There are two different Colorado River systems in the US. The Colorado River (Texas) flows through Austin.
There are so many bodies of water in the US. The Montana river flows from Montana to the Mississippi River.
the Mississippi river
The river that flows through Texas into the Mississippi is the Red River. It is a tributary of the Mississippi River.
Connecticut river
snake river.
snake river.
The Mississippi River is one of the longest in the US, and flows from northern Minnesota south to the Gulf of Mexico.
Columbia river
Erie
misouri
Ohio River Actually, the Ohio River flows to the Southwest... rather than "due" West...