The tunnels of Củ Chi are an immense network of connecting underground tunnels located in the Cu Chi district of Ho Chi Minh City, Vietnam, and are part of a much larger network of tunnels that underlie much of the country. The Củ Chi tunnels were the location of several military campaigns during the Vietnam War, and were the National Front for the Liberation of South Vietnam's base of operations for the Tết Offensive in 1968.
The tunnels were used by NLF guerrillas as hiding spots during combat, as well as serving as communication and supply routes, hospitals, food and weapon caches and living quarters for numerous guerrilla fighters. The role of the tunnel systems should not be underestimated in its importance to the NLF in resisting American operations and protracting the war, eventually persuading the weary Americans into withdrawal.
The district of Củ Chi is located 70 kilometers to the northwest of Saigon near the so-called "Iron Triangle". Both the Saigon River and Route 1 pass through the region which served as major supply routes in and out of Saigon during the war. This area was also the termination of the Ho Chi Minh Trail. Because of this, the Củ Chi and the nearby Ben Cat districts had immense strategic value for the NLF (National Front for the Liberation of South Vietnam). Mai Chi Tho, a political commissar stationed in Củ Chi describes the region as a “springboard for attacking Saigon.” He goes on to say: “We used the area for infiltrating Saigon-intelligence agents, part cadres, sabotage teams. The Tết Offensive of 1968 was prepared—the necessary troops and supplies assembled—in the Củ Chi tunnels.”
