Overview of Sung Sot Cave
Among many subterranean wonders in the Halong Bay area, Sung Sot Cave remains the largest and most famous for its stunning beauty. Visitors will be captivated by its remarkable geological formations and vastness. The cave is adorned with thousands of stalactites and stalagmites that gracefully rise from the ceiling, creating an enchanting atmosphere.

As the most visited cave in Halong Bay, Sung Sot Cave is easily accessible via rented canoes, 6-hour day cruises, or several overnight cruise options.
Location and Transportation

Sung Sot Cave covers a vast area of over 12,000 square meters on Bo Hon Island, located approximately 14 km from the Bai Chay tourist wharf in Halong City. After arriving at the island’s dock, visitors must ascend 100 stone steps to reach the grotto’s entrance, which is situated 25 meters above sea level.
Access to the cave can be achieved through day cruises or overnight cruises that include a sailing route to the cave. Renting a private canoe is also an excellent choice for those with time constraints or who wish to focus solely on visiting Sung Sot Cave.
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By canoe
This option is ideal for those short on time who wish to experience the cave. The cost for renting a canoe at Tuan Chau Harbor, accommodating 4 to 8 people, starts from approximately $60 per hour.
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By day cruise
Taking a day cruise offers a glimpse not only of Sung Sot Cave but also other destinations such as Titop Island and Luon Cave. This journey includes opportunities for exploring caves, swimming, kayaking, and hiking to the mountain’s summit. Prices for day cruises range from $30 to $35 per person.
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By overnight cruise
For a more comprehensive experience, consider booking an overnight cruise that includes an itinerary through Halong Bay. Prices vary according to the quality of the cruise. Notable options include the Paradise Elegance Cruise, Ambassador Cruise, and Heritage Line - Violet Cruise.
The Best Time to Visit

Sung Sot Cave is a year-round destination, though two peak seasons are particularly popular:
- May to July: This is the high season for domestic tourists.
- December to February: This period is the best for international visitors to explore Halong Bay.
During these months, humidity levels are low, and the weather is generally dry with clear skies. However, it's advisable to avoid weekend visits due to the high volume of tourists.
Legend and Formation

A captivating legend surrounds the cave, linked to local folklore about God Giong. It is said to be the location where God Giong ascended to the heavens after defeating Chinese invaders. Stalactites resembling a massive horse and sword, along with small ponds believed to be hoofprints, can be observed within the cave.
The Beauty of Sung Sot Cave

Upon climbing numerous stone steps adorned with lush vegetation, visitors will reach the entrance of the cave. Sung Sot Cave is divided into two distinct chambers, each rising 30 meters high. The first chamber, referred to as the “waiting room,” features awe-inspiring stalactites, while it connects to the “Serene Castle” through a narrow passage. Here, visitors can admire numerous intriguing rock formations resembling animals and flowers in unique shapes.
Best Overnight Cruises Visiting Sung Sot Cave

Paradise Elegance Cruise
The Paradise Elegance Cruise combines modern design with traditional Vietnamese influences. This well-appointed cruise offers exciting 2-day and 3-day itineraries that not only include sightseeing but also activities like kayaking, rowing a bamboo boat, exploring floating villages, and engaging with local fishermen.
Ambassador Cruise
As one of the largest and most luxurious 5-star cruises in Halong Bay, Ambassador Cruise features 46 opulent cabins and a premium dining venue, along with excellent amenities. The cruise offers both 2-day/1-night and 3-day/2-night itineraries, each including visits to the cave's remarkable features.
Heritage Line - Violet Cruise
The Heritage Line - Violet Cruise is a 5-star boutique cruise offering luxurious suites and top-notch onboard amenities. During its 3-day adventure, guests will explore the stunning beauty of Sung Sot Cave on the second day.
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Frequently asked questions
1. How large is the Sung Sot cave?
Sung Sot is among the largest caves in the bay, covering approximately 12,000 sqm. It boasts a height of about 30m, offering stunning geological formations and a unique ecosystem for visitors to explore. As of 2025, entrance fees remain affordable, enhancing its accessibility for tourists.
2. Where is it located?
The cave is situated on Bo Hon Island, approximately 14 km from Halong City, Vietnam, renowned for its stunning natural beauty and rich biodiversity as of 2025.
3. Is the Sung Sot cave crowded?
The cave attracts numerous visitors, particularly during high seasons, holidays, and special events in 2025, making it a vibrant destination for adventurers and nature enthusiasts alike.
4. How can I get to Sung Sot?
For cave access in 2025, consider renting a private boat or canoe, or opting for a scheduled cruise tour. Numerous providers now offer enhanced services and guided experiences tailored to suit all preferences.