Discover Cu Chi Tunnels with tours. Cu Chi, which is located at Cu Chi District nearly 70km far from central of Ho Chi Minh city, is a very famous war heritage in the South of Vietnam. Cu Chi Tunnel played an important role in the victory of Vietnam communist government over the America and South Vietnamese army in the past. The Tunnels consist of more than 200km of underground tunnels and three levels deep. This tunnel system has many branches connecting to underground hideouts, shelters, and entrances to other tunnels.