town in the Khyber Agency of Peshāwar Division, North-West Frontier Province, Pakistan, lying 1,512 ft (461 m) above sea level at the entrance to the Khyber Pass. It is connected by road and rail with Peshāwar and with Landi Kotal through the pass by the Afghan border. Noted for its fort built with 10-ft (3-m) thick walls c. 1836 by the Sikh Hari Singh Nalwa, one of Ranjit Singh's generals, it was originally named Fatehgarh to commemorate the Sikh victory over the disunited tribes. The fort gained importance as a British frontier outpost in the Second Afghan War (1878–79) and was their base of operations during the Tīrāh campaign (1897–98) when the Pashtun Afrīdī rose in a religious war. A collecting station for the Khyber tolls, Jamrūd also has several marble quarries.