Rivers Flowing Directly into the Gulf of Mexico

Direct Gulf of Mexico Tributaries

These major rivers reach the Gulf without joining another river first:

• Mississippi River (via Bird's Foot Delta)
• Rio Grande / Río Bravo
• Apalachicola River (formed by Chattahoochee + Flint at FL border)
• Mobile River (formed by Alabama + Tombigbee)
• Pearl River
• Sabine River
• Calcasieu River
• Brazos River
• Colorado River (Texas)
• Guadalupe River
• Nueces River
• Trinity River
• San Antonio River
• Multiple Mexican rivers (Pánuco, Coatzacoalcos, Grijalva, Usumacinta, etc.)

Many smaller coastal streams also discharge directly.