Sung Sot Cave: A Spectacular Underground Wonderland in Halong Bay

Nestled in the heart of Halong Bay’s UNESCO World Heritage landscape, Sung Sot Cave, also known as the “Surprise Cave,” is one of the most awe-inspiring natural wonders in Vietnam. A must-see destination for both local and international travelers, it never fails to leave visitors speechless with its majestic beauty and fascinating legends.
Sung Sot Caves in Halong Bay

Where to Find Sung Sot Cave in Halong Bay ?

Discovered by the French in 1901, Sung Sot Cave is situated on Bo Hon Island, close to other famous sites such as Titop IslandMe Cung Cave, and Luon Cave. It’s perfectly located in the central area of Halong Bay and serves as a gateway to numerous iconic attractions.

Explore the Inside of Sung Sot Cave
Sung Sot Caves are seen from the outside

Sung Sot Cave covers more than 10,000 square meters and is located 25 meters above sea level. Inside Sung Sot Cave: Exploring Its Two Breathtaking Chambers

  • The First Chamber – The Waiting Room: As you enter, you’re welcomed by a space glittering with natural chandeliers and dazzling stalactites that resemble artwork carved by time.
  • The Second Chamber – The Grand Theater: This vast cavern can accommodate thousands of people and is nothing short of breathtaking. Towering ceilings and formations shaped like elephants, seals, and flowers transport visitors into a mythical realm. As you move deeper, a “Royal Garden” unveils itself with a serene lake, tropical vegetation, birds, and even playful monkeys.
    The path is bright and full of unique stalactites in Sung Sot Caves

An 800-meter-long stone pathway with artistic lighting enhances the magical atmosphere and guides you through this underground marvel.

The Fascinating Legend Behind Sung Sot Cave

The cave’s name—“Sung Sot,” meaning “surprise”—originated from the astonishment of a French explorer who stumbled upon its grandeur through a narrow opening. He named it Grotte de la Surprise due to its breathtaking interior.

According to local legend, Thanh Giong, a mythical Vietnamese hero, left behind his sword and horse here after defeating invaders. Inside the cave, you’ll find formations resembling a sword, a horse, and even footprints, said to have turned into small ponds.
The charming fountain inside Sung Sot Caves

In 2012, the Czech Travel Association named Sung Sot Cave one of the top 10 most beautiful caves in the world, affirming its global reputation.

How to Visit Sung Sot Cave

There are several ways to explore Sung Sot Cave:

  • By Canoe: The fastest option. Rent a canoe from Tuan Chau or Hon Gai for around $50 per group (4–8 people).
  • By Sightseeing Boat: Buy a ticket for Route 2 (a 6-hour journey) from Tuan Chau or Ha Long International Port. Prices start at $12 per person, including stops at Titop IslandLuon Cave, and more.
  • By Cruise: For a more luxurious experience, opt for a Halong Bay cruise. Reputable cruises like Paradise Elegance include Sung Sot Cave in their itinerary and offer onboard perks such as fine dining, spas, and sunset views.
    Paradise Elegance Cruise with Sung Sot Caves itinerary

Best Time to Visit

The ideal period to visit is from April to July, when the weather is warm and sunny—perfect for cave exploration and island-hopping in Halong Bay.

Essential Tips for a Smooth Visit to Sung Sot Cave

  • Wear good walking shoes: The cave has uneven terrain and stairs.
  • Pack light: A small backpack is enough.
  • Bring sunscreen, insect repellent, and a flashlight.
  • Travel in groups to avoid getting lost in the cave’s vast chambers.
  • Combine your visit with other nearby attractions for a fuller experience.
    Thorough preparation before the trip is always necessary

Discover the Beauty of Sung Sot Cave
View from the entrance to Sung Sot Caves

Step inside this hidden gem, where nature has carved out a masterpiece over millions of years. With its colossal caverns, shimmering stalactites, and mysterious atmosphere, Sung Sot Cave is more than just a destination—it’s an experience that captivates the soul.

Whether you’re an adventurer, a nature lover, or a curious traveler, Sung Sot Cave is a must-see highlight of Halong Bay.