Birght and Dark Cave - Halong Bay Tour 2 day 1night

An exploration to Dark-Bright Cave in Halong Bay

Dark-Bright Cave belongs to the picturesque Lan Ha Bay located in Cat Ba National Park in Halong Bay complex, and is extremely ideal for those who are keen on exploring some underground caves by kayaking and melt their souls into the immense nature.

Bright-Dark Cave in Lan Ha Bay - Halong Bay Tours 2 days 1 night

Bright-Dark Cave in Lan Ha Bay

The grotto commences at water level signified by an arched entrance and behind this natural entrance locate a tranquil round lake, surrounded by luxuriant trees with many orchids hangs their sweet-scented flowers. It is also known as one of the best place for kayaking activity where right here there are numerous species of shrimp, fish, crab, little fish and corals. See more about Halong Bay and tours to the spectacular Cave at

Dark-Bright Cave connects with the sea via a 4m wide, 100m long, and 3m high mouth. Right now tourist can still find on the cliff traces of fossils of fresh-water snails which prove that men used to live there from generations to generations for years.

Why is the name: “Dark-Bright Cave”?

Dark cave: Because it’s long and very dark that it is needed to use a torch to pass the Cave.

Bright cave: Because it’s short and we can see from side to side clearly.

The Dark Cave is quite long with little natural light showing the mysterious beauty and attractiveness that it is voted to be the most beautiful cave in Lan Ha bay. The beauty of the site is the mingling all factors of nature including limestone mountains of various shapes and sizes, the emerald crystal water and azure clouds on the high above sky. That all makes a unique site for tourists to visit.

How do we get there and what’s the best way to explore them?

The area belongs to Halong Bay complex, but it’s on the border of Halong Bay, Bai Tu Long Bay and Lan Ha Bay and 2km far from Surprise Cave (Hang Sung Sot) area.

Kayaking in Bright Cave - Halong Bay Tours and Cruises 2 days 1 night

Happy tourists with kayaking in Bright and Dark Cave

The best way to discover Dark-Bright Cave is through kayaking and swimming. It will be easier to visit Bright Cave because it doesn’t depend on the tide but difficult to go inside the Dark Cave when the tide is rising high.