Dark & Bright cave is located in the romantic Lan Ha Bay, Cat Ba Island. Travelers will use the Kayak to explore the cave, this is also one of the most attractive activities and attractions for tourists.

Coming to Dark & Bright cave, travelers will have an opportunity to sail themselves, crept into the cave and touch the stalactites on the ceiling.

Going through the Dark & Bright cave, travelers will come to a valley, surrounded by magnificent mountains. The scene gives us a feeling of being lost in the Heaven.