The regiment then took part in the Siege of Ciudad Rodrigo in January 1812, the Siege of Badajoz in spring 1812 and the Battle of Salamanca in July 1812 as well as the Battle of Vitoria in June 1813. It then pursued the French Army into France and fought at the Battle of the Pyrenees in July 1813, the Battle of Orthez in February 1814 and the Battle of Toulouse in April 1814. It returned to England later that year before embarking for Canada and seeing action at the capture of Fort Bowyer in February 1815 during the War of 1812.