The bus choices you up at the meeting point in Cat Ba town, on the romantic cross-island road and stops at Quan Y cave after 15 minutes of journey.

Quan Y Cave is a miniature hospital located in the heart of the mountain, built in 1963-1965 during the anti-American resistance war, consisting of 3 floors and 17 separate rooms with many different functions. You will admire the unique infrastructure architecture and creative ability of the army and people during the resistance war.

The bus choices you up on the journey to visit Trung Trang cave, this is a natural cave with many iridescent stalactites, in the cool cave with the sound of water dripping from the stalactites on the ceiling, the wingspan of the flocks. Bats, through a length of 300m from this side door through the mountain bed to the other door, you come out to the trunk road.

Goodbye Trung Trang Cave, continue your journey to visit Cat Ba National Park, to the garden gate, you walk 800m into the Kim Giao forest, follow the stone steps and forest trail to the top of Ngu Lam, where you can observe the majestic beauty of the primeval mountains and forests of Cat Ba archipelago (time to go and return about 2 hours).
In the forest you will hear the symphony of the mountains and forests: birdsong, chirping insects, calls of animals such as weasel, squirrel, monkey… Then you will return to Cat Ba town, ending the journey.