The lower Rio Grande Valley was the stage for much of the early action of the war. The armies of Zachary Taylor and Mariano Arista face each other in clashes that ranged from the riverside action at Rancho de Carricitos to the artillery duel at Palo Alto. Both armies fought desperately for control of the area. The series of battles would leave Zachary Taylor’s army primed to pursue a prolonged campaign in northern Mexico.

  • Historical marker and replica cannon for Rancho de Carricitos.
    Rancho de Carricitos

    A brief skirmish at the tiny settlement of Rancho de Carricitos ignited a two-year war between the U.S. and Mexico.

  • Concrete historical marker for Fort Texas.
    Fort Texas

    Zachary Taylor's riverside fort withstood a six-day siege. The city of Brownsville, Texas, would grow up around it.

  • Replica cannon with a blue carriage overlooking the battlefield.
    Palo Alto Battlefield

    The prairie of Palo Alto was naturally suited for the first battle of the U.S.-Mexican War.

  • Sunrise at Resaca de la Palma Battlefield
    Resaca de la Palma Battlefield

    In contrast to the Battle of Palo Alto, the clash at Resaca de la Palma was mainly an infantry battle.

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    Last updated: June 26, 2023

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