Explore the caverns and tunnels of Marble Mountain to learn about the secret passageways beneath the surface. This is where the Viet Cong used to hide out during the Vietnam War. From the summit of the mountain, you'll have expansive views of the surrounding islands, river, jungle, and ocean. You'll also discover the local flora and fauna, including wild Macaques, and view marble sculptures and carvings that date back more than fifty years. Lunch is included in the tour fee, and you'll have the option to choose between a vintage US Army Jeep and a contemporary vehicle with air conditioning. This exclusive tour is only for you, so you'll have a unique and personalized experience.