When you think of Vietnam, stunning images of Ha Long Bay and terraced rice fields might immediately come to mind. But did you know that Vietnam is also home to some of the most breathtaking caves in the world? Beyond its iconic landscapes, Vietnam’s underground wonders have captured the hearts of explorers and nature lovers alike. From record-breaking caverns to hidden gems, these caves showcase a side of Vietnam that’s as magical as it is mysterious.

With over 300 officially recorded caves—and more being discovered every year—Vietnam is a paradise for cave enthusiasts. These natural masterpieces, formed over millions of years, boast jaw-dropping stalactites, underground rivers, and even their own ecosystems. To help you uncover this extraordinary world, we’ve compiled a list of the Top 10 most beautiful caves in Vietnam, as well as entrance fees and the best time to visit. Get ready to explore the wonders hidden beneath Vietnam’s surface.

Top 10 most beautiful caves in Vietnam

#1 Ba Be National Park Caves (Bac Kan)

Nestled in the lush greenery of Bac Kan Province, Ba Be National Park is a paradise for nature enthusiasts. While the park is renowned for its tranquil Ba Be Lake–the largest freshwater lake in Vietnam, its captivating caves often steal the show for adventurous visitors. The park is home to four main caves, formed millions of years ago: Hua Ma Cave, Puong Cave, Lo Mo Cave, and Na Phoong Cave.

One of the most striking caves here is Hua Ma Cave, known for its stunning stalactites and stalagmites. Legend has it that Hua Ma Cave was once haunted by the spirits of trapped souls who cried out for justice. When a brave hero offered prayers and sacrifices, the spirits were pacified, leaving behind a serene cave for all to explore. Today, Hua Ma welcomes you with its towering formations, which sparkle when light touches them.

Another must-see is Puong Cave, a breathtaking site carved by the Nang River. This cave in Vietnam with a river running through it is home to thousands of bats, making it an otherworldly experience to walk or boat beneath its towering arches.

The best time to visit the caves in Ba Be National Park is from October to April when the weather is cool and dry, making it perfect for exploring. The entrance fees are affordable, typically around 45,000 VND per person.

#2 Caves in Ha Long Bay

Ha Long Bay, a UNESCO World Heritage Site, is famous for its emerald waters, limestone islands, and stunning caves. Among its many natural wonders, the caves stand out as enchanting gateways to another world, each with its unique story and beauty.

Thien Cung Cave, often called the “Heavenly Palace Cave,” lives up to its name. Discovered in the 1990s, this cave boasts intricate stalactites and stalagmites that resemble mythical figures, animals, and celestial scenes. Legend has it that a dragon prince and a fairy-like maiden celebrated their wedding here, blessing the cave with its magical aura. As you wander through its chambers, illuminated by colorful lights, you'll feel as though you’ve entered a realm of fantasy.

Dau Go Cave, also known as the “Cave of Wonders,” is steeped in history. During the 13th century, it served as a storage site for sharp wooden stakes used by the Vietnamese army to defeat Mongol invaders. The cave’s majestic interior is filled with grand columns, stalactite formations, and a rich fauna system, mostly moss, ferns, and woody plants.

Sung Sot Cave, or “Surprise Cave,” is one of the most famous caves in Vietnam. Its name reflects the awe visitors feel when entering its vast chambers, filled with towering rock formations and unique shapes that spark the imagination. Located on Bo Hon Island, this cave offers a panoramic view of Ha Long Bay from its entrance, making the journey even more rewarding.

The best time to visit these caves is from March to May and from September to November when the weather is mild, and the bay is calm. Entrance fees are usually included in Ha Long Bay cruise packages, which range from 500,000 to 2,000,000 VND depending on the tour.

#3 Phong Nha-Ke Bang National Park’s Caves

If there’s one place in Vietnam that embodies the magic of caves, it’s Phong Nha-Ke Bang National Park in Quang Binh Province. This UNESCO World Heritage Site is home to some of the most famous caves in Vietnam, each offering an extraordinary glimpse into a hidden world beneath the jungle.

The crown jewel is Son Doong Cave, the largest cave in Vietnam and the world. Discovered in 2009, Son Doong was formed about 2-5 million years ago when a river eroded the limestone beneath the mountain. This cave in Vietnam with its own ecosystem has a rainforest, flowing rivers, and even clouds inside its massive chambers. A Son Doong Cave tour is an unparalleled adventure, but it requires preparation, as it’s only accessible through guided expeditions that must be booked well in advance.

Nearby, Thien Duong Cave (Paradise Cave) is a stunning alternative for those seeking a less demanding experience. At 31 kilometers long, it’s one of the longest dry caves in Asia. Its vast halls, adorned with stalactites and stalagmites, are often likened to a palace. Walking along its wooden pathways feels like stepping into a fairytale.

The Phong Nha Cave, accessible by boat along the Son River, is another must-visit. It’s one of the first caves found in Vietnam to become a tourist attraction, known for its dramatic karst formations and underground river. The boat ride to the cave itself is a journey, offering views of lush scenery before you enter its cool, shadowy depths.

Other highlights include Dark Cave, where you can zipline into the entrance and experience a mud bath, and Hang En, a gigantic cave with a sandy beach inside.

The best time to visit is from April to August, avoiding the rainy season when some caves may be inaccessible. Entrance fees for Thien Duong and Phong Nha Cave tours are 250,000 VND. For Son Doong, a multi-day tour costs upwards of $3,000 USD but is worth every penny for its unparalleled experience.

#4 Caves in Ninh Binh

Known as “Ha Long Bay on Land,” Ninh Binh is a land of stunning karst landscapes and tranquil waterways, where caves form a crucial part of the scenery. These caves are not just geological wonders but also cultural and historical treasures that take you on a journey through time.

The Tam Coc Caves are perhaps the most iconic. This series of three caves, carved by the Ngo Dong River, is best explored by a sampan boat ride. As you drift through the water, the low-hanging ceilings and the interplay of light and shadow create a dreamlike atmosphere. Tam Coc translates to “Three Caves,” and each one reveals its own enchanting features, from the sparkling limestone to the reflections on the river. Boat fee is 390,000 VND for two people.

At the Trang An Caves, you’ll find a network of grottoes connected by waterways that stretch over 20 kilometers. As you navigate through the caves by boat, you’ll pass under natural stone arches and between towering cliffs. Trang An is not only a natural wonder but also a place of spiritual significance, with ancient temples nestled among its peaks. Price: 250,000 VND per person.

Mua Cave, located on the slopes of Mua Mountain, offers a different kind of experience. While the cave itself is small, the real draw is the panoramic view from the top of the mountain after climbing 500 steps. The view of the surrounding rice fields and karst peaks is absolutely breathtaking, especially during harvest season. Entrance fee: 100,000 VND.

Thien Ha Cave, or “Galaxy Cave,” feels like a hidden world. Accessible by a short hike and a small boat ride, its chambers are illuminated by natural light that dances on the stalactites, giving the cave its celestial name. Other gems include Bich Dong Cave, known as the “Jade Cave” for its serene beauty and the ancient pagoda nearby, and Thung Nang Caves, where the quiet ambiance makes it perfect for those seeking solitude amidst nature.

Ninh Binh’s caves can be visited year-round, but it’s recommended that you avoid the hotter months (from July to August), with random downpours and storms. Entrance fees are generally modest, ranging from 120,000 to 250,000 VND for boat tours or cave access.

#5 Nguom Ngao Cave (Cao Bang)

Nestled in the picturesque mountains of Cao Bang Province, Nguom Ngao Cave is a testament to nature’s artistry. Located just a few kilometers from the famous Ban Gioc Waterfall, this cave is one of the most beautiful and unique caves in Vietnam. Its name, which means "Tiger Cave" in the Tay language, comes from a local legend about tigers that once roamed the area.

Formed millions of years ago, Nguom Ngao stretches for over 2,000 meters, though only a portion of it is open to visitors. As you step inside, you’re greeted by towering stalactites and stalagmites in mesmerizing shapes, from lotus flowers to human figures. The cave’s vast chambers, illuminated by natural light streaming through hidden crevices, feel like an underground palace.

The best time to visit Nguom Ngao Cave is from September to April when the weather is cool, and the region's lush landscapes are at their most vibrant. Entrance fees are around 45,000 VND.

#6 Lung Khuy Cave (Ha Giang)

Perched in the breathtaking karst landscape of Ha Giang, Lung Khuy Cave is a relatively new discovery but already one of the standout attractions in the region. Found in 2015 near Quan Ba Heaven Gate, it’s a hidden gem that is worth a stop on the Ha Giang Loop.

To reach the cave entrance, you need to do a 1 km trail from the parking area, which offers nice panoramic views of the surroundings. Inside the cave, you’ll find metal walkways that extend for about 400 meters, serving as viewing platforms for the intricate array of stalactites and stalagmites formed over millions of years. The formations inside are dazzling, resembling chandeliers, coral reefs, and mythical creatures. The play of light inside the cave adds to its enchanting atmosphere, making every step feel like a journey through a natural gallery.

The best time to visit Lung Khuy Cave is between September and November, when the weather is mild, and the rice terraces surrounding the area are golden. There’s a modest entrance fee of 50,000 VND.

#7 Mo Luong Cave (Mai Chau - Hoa Binh)

Deep in the lush landscapes of Mai Chau in Hoa Binh Province lies Mo Luong Cave, a site that seamlessly blends natural beauty with cultural significance. Located just a short distance from Mai Chau town, this cave has long been a hidden gem, attracting those who come to explore its tranquil surroundings.

Mo Luong Cave, which translates to “Big Water Cave” in the local Thai language, has a unique history. Formed millions of years ago, it is carved into the limestone mountains that dominate the area. During the resistance wars, the cave served as a shelter and meeting place for soldiers, making it a site of both natural wonder and historical significance.

The cave consists of four main chambers, each with its own charm. As you explore, you’ll be captivated by the stalactites and stalagmites that create stunning patterns on the walls and ceilings. The atmosphere is cool and serene, and you can hear the faint sound of water dripping from the formations.

For the adventurous, the journey doesn’t end with the cave. Outside, Mai Chau offers endless opportunities to explore rice fields, interact with the local Thai ethnic community, and immerse yourself in the region’s culture.

The best time to visit Mo Luong Cave is from October to April, when the weather is cool and ideal for hiking and exploring the region. Entrance fees cost about 10,000 VND per person. If you’re already in Mai Chau, this cave is an essential stop on your journey.

#8 Caves in Lang Son

Lang Son Province, known for its ancient history, is also home to two captivating caves—Tam Thanh Cave and Nhi Thanh Cave. Both are located near the city, making them easily accessible for travelers.

Nestled within a mountain range shaped like elephants, Tam Thanh Cave is where nature meets spirituality. Inside, you’ll find a harmonious blend of stalactites, stalagmites, and ancient carvings. At its heart lies a centuries-old Buddhist shrine, where locals come to pray for good fortune.

Nhi Thanh Cave, just a short distance away, is equally intriguing. It is named after the scholar Ngo Thi Si, who discovered and transformed it into a cultural site in the 18th century. The cave is adorned with inscriptions of poems and prose, etched into its walls by its discoverer, who was inspired by its beauty. A visit here is like stepping into a natural library, where the cave’s formations and history tell a story of their own.

Both caves are best visited in autumn, when the weather in Lang Son is crisp and ideal for exploring. Entrance fee for Nhi Thanh Cave is 20,000 VND, and Tam Thanh Cave is free, making these caves a budget-friendly adventure.

#9 Caves in Cat Ba Island

Cat Ba Island, adjacent to Ha Long Bay, is another treasure trove of awe-inspiring caves. These caves not only showcase the island’s geological marvels but also offer glimpses into its rich past.

Sang Toi Cave, or “Dark and Bright Cave,” is a unique cave in Vietnam with a river flowing through it. Accessible by boat or kayak, the cave’s dark chambers open into a hidden lagoon surrounded by towering cliffs and lush greenery. This magical journey feels like stepping into a secret world, ideal for adventurers and nature lovers alike.

Trung Trang Cave, located in the heart of Cat Ba National Park, stretches over 300 meters and is known for its traces of ancient Vietnamese people who lived on the island over 6000 years ago. It’s a cave with its own ecosystem, home to different plants and animals, including bats, insects, and reptiles. As you explore its winding passages, you’ll be amazed by the intricate limestone formations carved over millions of years.

Quan Y Cave, or “Hospital Cave,” is a remarkable blend of history and nature. During the Vietnam War, this cave served as a hidden hospital and bomb shelter. Its three levels include operating rooms, living quarters, and even a cinema, all ingeniously designed to protect the people inside.

The best time to visit Cat Ba’s caves is from October to April avoiding the peak summer crowds. Entrance fee to each cave is about 80,000 VND.

#10 Thien Canh Son Cave (Bai Tu Long Bay)

Bai Tu Long Bay, often seen as the quieter sibling of Ha Long Bay, is a serene escape filled with unspoiled beauty. Among its gems is Thien Canh Son Cave, a lesser-known yet mesmerizing destination.

Thien Canh Son Cave’s formations date back millions of years, shaped by the relentless power of water and wind. The cave is a geological wonder, featuring layers of stalactites and stalagmites that form intricate patterns. It’s also a cave with its own ecosystem, harboring unique flora and fauna adapted to its secluded environment.

Legend has it that this cave was once a secret hideout for fishermen during storms, and its name, meaning “Heavenly Mountain,” reflects its harmonious connection to nature. Today, it’s a peaceful retreat where you can marvel at its natural beauty and enjoy the tranquil surroundings of Bai Tu Long Bay.

The best time to visit is between October and April when the weather is cool, with lower rainfall and humidity. Many Bai Tu Long Bay tours include Thien Canh Son Cave, with costs ranging from 1,500,000 to 3,500,000 VND depending on the cruise.

FAQs about caves in Vietnam

What is the name of the famous cave in Vietnam?

The most famous cave in Vietnam is Son Doong Cave, located in Phong Nha-Ke Bang National Park, Quang Binh Province. It is renowned as the largest cave in the world and is a bucket-list destination for adventurers.

How many caves are there in Vietnam?

Vietnam is home to over 300 officially documented caves, with more being discovered every year. These range from massive systems like Son Doong and Phong Nha to smaller but equally beautiful caves in places like Ninh Binh, Ha Long Bay, and Lang Son.

How much does it cost to go to the biggest cave in Vietnam?

Exploring Son Doong Cave, the biggest cave in Vietnam, costs approximately $3,000 USD per person. This includes permits, guides, safety gear, meals, and accommodation for the multi-day expedition.

Can tourists go to Son Doong?

Yes, but access to Son Doong Cave is highly regulated to preserve its ecosystem. Only a limited number of people can visit each year, and tourists must join an official tour operated by licensed companies like Oxalis Adventure.

Why is Son Doong Cave so expensive?

Son Doong Cave tours are expensive due to the strict conservation efforts, limited permits, and the resources needed for the expedition. The cost covers expert guides, specialized safety equipment, porters, and meals, ensuring a safe and environmentally responsible experience. 

Cave found in Vietnam with river?

Many caves in Vietnam have rivers flowing through them, but the most iconic is Phong Nha Cave, also located in Phong Nha-Ke Bang National Park. It features an underground river that you can explore by boat, offering a magical journey through its immense chambers.

Caves in Vietnam near Hanoi?

If you’re near Hanoi, some great caves to visit are in Ninh Binh Province, about 2–3 hours away. Tam Coc Caves, Trang An Caves, and Mua Cave are some of the most popular. These caves combine breathtaking limestone formations with serene boat rides through waterways, making them an ideal day trip from the capital.

Conclusion

While we’ve taken you on a journey through the Top 10 most beautiful caves in Vietnam, this is just the tip of the iceberg. Vietnam is brimming with countless caves, each with its own unique story and charm, waiting to be explored. Whether you’re drawn to the grandeur of Son Doong, the history of Mo Luong, or the serene beauty of Ninh Binh’s water caves, there’s something for every adventurer.

If this list has sparked your curiosity, why not make it a reality? Book a tour with Vietnam Original Travel, and let us guide you through these incredible caves and beyond. Vietnam’s underground treasures are calling—are you ready to answer?

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