 During the subsequent campaigns, Campbell led the 6th during the Battle of the Pyrenees, and was badly wounded while leading the regiment, on 2 August 1813, to the storming of the Heights of Echalar, a feat which won the commendation of Wellington for the regiment.Campbell was breveted lieutenant-colonel on 26 August 1813 as a result.After the war, he received a gold medal for his conduct at the Battle of the Pyrenees and was awarded the CB.