I got a question for you: Its drainage basin and some of its usually dry tributaries extend into New Mexico. It flows generally southeast from Dawson County through Ballinger, Marble Falls, Austin, Bastrop, Smithville, La Grange, Columbus, Wharton, and Bay City before emptying into the Gulf of Mexico at Matagorda Bay.

Answer this question: where does the colorado river enter the gulf of mexico?
Let's think first:
The relevant information is: It flows generally southeast from Dawson County through Ballinger, Marble Falls, Austin, Bastrop, Smithville, La Grange, Columbus, Wharton, and Bay City before emptying into the Gulf of Mexico at Matagorda Bay.
Therefore, the answer is Matagorda Bay.