Cu Chi Tunnels Small Group Adventure Tour from Ho Chi Minh City. Discover the secret world of the Cu Chi freedom fighters on an explorative half-day tour from Ho Chi Minh City. Accompanied by a guide, descend into the subterranean network of tunnels and gain insight into the remarkable history of the 124-mile (200-kilometer) labyrinth. Hear how the tunnels functioned as busy underground cities, and learn the pivotal part the structure played in the Vietnam War. Enjoy the convenience of round-trip transportation from your hotel, and receive personalized attention from your guide on this small-group tour. Book this Tour and Save 20%! Cu Chi Tunnels Small Group Adventure Tour from Ho Chi Minh City.