Top 9 Most Famous Caves In Phong Nha You Must Visit

Caves in Phong Nha are among the most beautiful in Vietnam, and this guide to 9 famous underground wonders will help you explore them. From breathtaking limestone formations to crystal-clear underground rivers, each cave offers a unique adventure and unforgettable scenery. Whether you love nature, photography, or exploration, these caves are must-visit highlights in Central Vietnam. Join Phong Nha Private Cars as we take you through this article to explore the beauty, history, and unique features of each cave, helping you plan the perfect journey with ease and comfort.

Famous caves in Phong Nha – Ke Bang National Park

1. Phong Nha Cave

• Entrance fee: 150,000 VND for adults, free for children under 1.3 meters.
• Opening hours: 7:30 AM to 5:00 PM

To visit Phong Nha Cave, you need to take a boat. A round-trip boat ride costs 700,000 VND per boat for up to 12 passengers. If you are traveling with a small group and prefer more privacy, you can rent a private boat. Solo travelers or small groups looking to save money can ask the ticket staff to join a shared boat with other visitors, which usually costs around 60,000–70,000 VND per person.

Phong Nha Cave is one of the most iconic caves in Phong Nha, often considered the gateway to the underground world of the region. Stretching 7,729 meters in length, the cave features 14 chambers and an underground river system reaching nearly 13,969 meters, making it one of the longest wet caves in the world. Visitors begin their journey by taking a dragon boat along the Son River, passing lush limestone mountains before entering the cave mouth.

Inside, the cave reveals an impressive system of underground rivers, stalactites, and stalagmites shaped over millions of years. The calm boat ride through the dark chambers offers a peaceful yet mysterious experience that perfectly represents the beauty of Phong Nha caves.

Unlike many other caves, Phong Nha Cave is relatively easy to access, making it suitable for families and first-time visitors. It is one of the most visited caves in Phong Nha, especially for those who want a gentle introduction to the region’s natural wonders.

The cool air, echoing water, and glowing rock formations make it a must-see highlight among all Phong Nha caves.

2. Tien Son Cave

• Entrance fee: 80,000 VND per adult. Children under 1.3 meters tall can enter free of charge.
• Opening hours: 7:30 AM to 4:00 PM

Tien Son Cave is located near Phong Nha Cave and is often visited together as part of a combined cave tour in Phong Nha. It is known for its dry cave system and beautiful limestone formations. The boat trip for visiting both caves costs 750,000 VND per boat for up to 12 guests.

Tien Son Cave, unlike water caves, is accessed via a steep staircase and offers a panoramic view of the surrounding valley. The total length of its limestone cave system is 980 meters, but visitors are only allowed to explore about 400 meters from the entrance. Deeper inside, there is a 500-meter underground rocky section with a depth of up to 10 meters, which is considered dangerous and is only suitable for adventurous travelers who enjoy exploration.

Inside, visitors will see a series of rock formations that resemble musical instruments and mythical shapes. Among caves in Phong Nha, Tien Son is less crowded, making it ideal for travelers who prefer a quieter experience. The cave also has historical significance, as it was formed millions of years ago through geological shifts.

It is a great addition to any itinerary exploring the caves in Phong Nha region.

2. Paradise Cave

• Entrance fee: The entrance fee is 250,000 VND per person per visit, while children with a height of 1.3m and above are charged 125,000 VND per person per visit.
  
• Opening hours: 7:00 AM – 4:30 PM

Paradise Cave is widely regarded as one of the most stunning caves in Phong Nha and truly lives up to its name. It extends for 31.4 kilometers, ranking among the longest dry caves in Asia. Visitors can access the first 1 kilometer of the cave via a 3.5-meter-wide wooden staircase system, carefully designed to ensure safe and comfortable exploration.

After a short jungle walk or electric cart ride, visitors begin a hiking journey of over 500 wooden steps along a 1.2 km route leading into a massive staircase that opens into an enormous chamber filled with towering limestone formations. The scale of this cave is breathtaking, and it is often compared to a natural cathedral.

Among all caves in Phong Nha, Paradise Cave stands out for its accessibility combined with its grand interior. The lighting system inside highlights the delicate formations without disturbing the natural environment.

Walking deeper into the cave, visitors are surrounded by silent darkness and dramatic rock structures that seem almost surreal. This is one of the most photogenic caves in Phong Nha, attracting photographers and nature lovers alike.

3. Dark Cave

• Entrance fee:
  The All-Inclusive Ticket costs 450,000 VND per adult (height from 1.3m, weight from 40–90kg) and 150,000 VND per child (height from 1.1m to 1.3m). This package includes ziplining into Dark Cave, cave exploration, mud bathing, kayaking, river zipline, wooden walkways, water sports, and safety equipment. Please note that children are not allowed to join adventure activities like ziplining, and kayaking must be done with a parent or guardian.
  The Standard Ticket (without Dark Cave entry) is 250,000 VND per adult and 110,000 VND per child. It includes activities such as ziplining across the cave entrance (without cave exploration or mud bath), kayaking, river zipline, wooden bridges, water sports, and full safety equipment.
  The River Fun Ticket is 150,000 VND per adult and 110,000 VND per child, offering light activities on the river for a more relaxed experience.
• Opening hours: 8:00 AM – 4:00 PM

Dark Cave is one of the most adventurous caves in Phong Nha, offering a mix of adrenaline and exploration. Unlike other caves, this destination is designed for active travelers who want more than just sightseeing.

Visitors can enjoy a 400-meter river zipline across the Chay River, along with exciting activities such as short zipline rides, adventurous bridge jumping, kayaking, and photo spots like bamboo rafts, the pyramid structure, and floating platforms, as well as tasting local traditional dishes by the peaceful river.

One of the highlights of Phong Nha caves is the famous natural mud bath located deep inside Dark Cave. The mineral-rich mud provides a unique and fun experience that visitors cannot find anywhere else in the region.

Because of its adventure-focused activities, Dark Cave is one of the most exciting caves in Phong Nha for young travelers and groups. It perfectly combines nature, sport, and exploration.

4. Son Doong Cave

• Entrance fee: Each year, only around 1,000 permits are released, and the experience is offered as an exclusive 4-day, 3-night expedition (approximately $3,000 USD per person), operated exclusively by Oxalis Adventure.
• Opening hours: Seasonal tours only

Son Doong Cave is the largest cave in the world and the crown jewel of all caves in Phong Nha. Discovered in 1991 and fully explored in 2009, it has gained global recognition for its enormous scale and unique ecosystem. The cave stretches nearly 9 km in length, with its highest chamber reaching 200 meters and a width of 150 meters—large enough to fit a 40-story skyscraper. Its total volume is estimated at around 36.8 million cubic meters, highlighting just how massive this underground wonder truly is.

Inside Son Doong, entire forests grow beneath skylights formed by collapsed ceilings. Clouds can form inside the cave, and rivers flow through massive underground passages. It is truly a world within a world.

Among all Phong Nha caves, Son Doong is the most exclusive, requiring a multi-day expedition led by professional guides. Only a limited number of tourists are allowed each year to preserve its fragile environment.

This is not just one of the caves in Phong Nha, but one of the greatest natural wonders on Earth. For serious adventurers, it represents the ultimate exploration experience.

5. Tu Lan Cave System

• Entrance fee: ~2,000,000 – 10,000,000 VND (depending on tour length)
• Opening hours: Tour-based access only

Tu Lan Cave System is a vast and complex network of caves, rivers, and jungle valleys, covering more than 650 hectares. It is one of the most diverse cave experiences in Phong Nha, offering a true mix of underground exploration and wilderness adventure.

Exploring Tu Lan requires trekking, swimming through underground rivers, and camping in remote wilderness areas. This system is less commercialized than other Phong Nha caves, offering a more raw and untouched adventure.

Each cave in the system has its own unique formation, from wide chambers to narrow river passages. The combination of jungle trekking and cave exploration makes Tu Lan one of the most immersive caves in Phong Nha experiences available.

For travelers seeking isolation and adventure, this system is a perfect choice among all Phong Nha caves.

6. En Cave

• Entrance fee: Included in multi-day tour packages
• Opening hours: Seasonal tours only

En Cave is famous for being one of the largest natural cave entrances in the world, making it a highlight among caves in Phong Nha. The cave is located deep within the jungle and requires a challenging trek to reach. It stretches up to 1,645 meters and has three entrances, with ceilings reaching as high as 100 meters and widths up to 170 meters. It is considered the third largest cave in the world, after Son Doong Cave in Vietnam and Deer Cave in Malaysia.

Inside, visitors will find a massive chamber with a sandy beach and a river flowing through it. The cave also serves as a nesting site for thousands of swifts, adding to its ecological importance.

Compared to other Phong Nha caves, En Cave offers a perfect balance of trekking, camping, and exploration. Most tours include overnight camping inside the cave, allowing visitors to experience its atmosphere at different times of the day.

This is one of the most unforgettable caves in Phong Nha for those who enjoy multi-day adventure trips.

8. Va Cave

• Entrance fee: Included in Tu Lan or specialized tours
• Opening hours: Tour-based access only

Va Cave is one of the newer discoveries among caves in Phong Nha, known for its stunning cone-shaped stalagmites that rise from underground lakes.

The cave is still relatively untouched, making it a hidden gem among Phong Nha caves. Exploring Va Cave requires swimming and trekking through jungle terrain, adding to its sense of adventure.

Inside, the formations are incredibly delicate and unique, making it one of the most visually striking caves in Phong Nha. Conservation efforts are strong here to preserve its natural beauty.

For travelers seeking something off the beaten path, Va Cave is one of the most rewarding caves in Phong Nha to explore.

9. Nuoc Nut Cave

• Entrance fee: Included in adventure tours
• Opening hours: Tour-based access only

Nuoc Nut Cave is a relatively untouched underground system and one of the lesser-known caves in Phong Nha. It is often explored as part of extended trekking and caving expeditions.

The cave features underground rivers, narrow passages, and large chambers with impressive rock formations. Because of its remote location, it remains one of the quietest Phong Nha caves.

Visitors often combine Nuoc Nut Cave with other nearby cave systems, creating a multi-day adventure through the wilderness. It is perfect for those who want to experience the raw beauty of caves in Phong Nha without crowds.

Best time to visit Phong Nha caves

The best time to visit Phong Nha and explore the caves in Phong Nha is generally from February to August, when the weather in Central Vietnam is most favorable for outdoor activities.

During this period, the region is mostly dry with plenty of sunshine, making it ideal for visiting popular caves such as Phong Nha Cave and Paradise Cave. Rivers are calmer, boat trips run smoothly, and trekking routes are easier to access, allowing visitors to fully enjoy both underground and jungle experiences.

From September to November, the area often experiences heavy rain and occasional flooding. Some caves may have limited access, and boat tours can be temporarily suspended depending on water levels. This period is less suitable for cave exploration, especially for first-time visitors.

From December to January, the weather becomes cooler and more stable, but occasional rain can still occur. While travel is possible, conditions are not as ideal as the peak dry season.

How to Visit the Caves in Phong Nha

By Taxi

If you are already staying in Phong Nha, taxis are usually available around the town center and popular tourist areas, making it easy to travel between famous attractions such as Phong Nha Cave, Dark Cave, and Paradise Cave. This is one of the most convenient options for short-distance travel, especially for independent travelers who prefer a flexible schedule. Taxi rides are generally affordable, and drivers are familiar with the main caves and tourist attractions in the area, allowing you to move around comfortably without worrying about transportation.

By Private Car

The most comfortable and convenient way to explore the famous caves in Phong Nha is by private car, especially when traveling from central cities like Dong Hoi, Hue, or Da Nang. Options such as Hue to Phong Nha by car and Da Nang to Phong Nha by car offer a smooth and flexible journey, allowing you to relax, stop along the way, and enjoy the scenic countryside at your own pace.

With Phong Nha Private Cars, you will travel with professional English-speaking drivers, ensuring a safe, comfortable, and hassle-free transfer to all major attractions.

Contact information:

• Website: phongnhaprivatecars.com
• Hotline: +84 975 952 918
• Whatsapp: +84 975 952 918

By Tour Package

You can also join group or private Phong Nha tours departing from Hue or Dong Hoi, and if you are already in Phong Nha, it is easy to join tours locally. Combined cave tours are especially popular among travelers who want a complete one-day experience in Phong Nha. Some of the most popular options include the Phong Nha Cave and Paradise Cave Tour, Phong Nha Cave and Dark Cave Tour, and Dark Cave and Paradise Cave Tour, allowing visitors to explore different cave experiences in a single journey.

For adventure experiences such as trekking in Son Doong, En Cave, Va Cave, Tu Lan Cave, and Nuoc Nut Cave, bookings are exclusively available through Oxalis Adventure, as they are the official and sole operator for these expeditions.

Useful tips to know when visiting the caves in Phong Nha

Visit the caves early in the morning to avoid crowds and hot weather, especially during the summer months.

Wear comfortable shoes with good grip, as some caves have wet surfaces, steep steps, or slippery pathways.

Bring light clothing, sunscreen, insect repellent, and a waterproof bag if you plan to join water activities or cave trekking tours.

Keep some cash with you, as small shops and local services around the caves may not always accept cards.

If you plan to visit multiple caves in one day, consider booking combined Phong Nha tours to save time and make transportation easier.

Adventure caves such as Son Doong Cave, En Cave, and Tu Lan Cave System usually require advance booking because visitor numbers are limited.

During the rainy season from September to November, some caves may temporarily close due to flooding, so it is best to check weather conditions before your trip.

Respect the natural environment by not touching stalactites, leaving trash behind, or making excessive noise inside the caves.

Conclusion

Phong Nha – Ke Bang National Park is home to some of the most spectacular caves in Vietnam, offering everything from peaceful boat trips to unforgettable adventure experiences. Whether you choose to explore famous caves like Phong Nha Cave, Paradise Cave, or the world-famous Son Doong Cave, each destination brings its own unique beauty and atmosphere. We hope this guide from Phong Nha Private Cars has provided useful information to help you plan an enjoyable and memorable journey through the incredible caves in Phong Nha.