Phong Nha Cave is among the most iconic limestone caves in Vietnam, located within the Phong Nha–Kẻ Bàng National Park, a UNESCO-listed site known for having one of the largest cave systems in the world. First explored by British cavers in 1990, it quickly became a highlight for travelers seeking natural beauty and adventure.

The cave stretches over seven kilometers with chambers reaching more than 40 meters in height_. Visitors enter by boat along the tranquil Son River, passing through a majestic cave mouth that opens into a stunning underground world filled with natural rock formations shaped over millions of years.

Soft lighting throughout the cave enhances its mysterious charm, creating reflections that make the limestone formations glow like crystals. Boats can travel approximately 1.5 kilometers inside before visitors continue on foot to explore deeper sections of the cave.

The name “Phong Nha,” meaning “Wind through the Teeth of the Dragon,” describes the limestone mountains whose caverns produce whistling sounds as the wind passes through. The surrounding area, with peaceful riverside villages and lush greenery, provides a perfect setting for relaxation and photography.

As of 2025, Phong Nha Cave remains a top attraction in Vietnam. With sustainable management and improved visitor facilities, it continues to represent the country’s natural splendor and stands as a gateway to Southeast Asia’s underground wonders.

• From Hanoi, travelers can fly or take a train to Dong Hoi City, then continue by car for about one hour to Phong Nha–Kẻ Bàng National Park. Boats to Phong Nha Cave are available directly from the Phong Nha Pier.

• Take the boat tour in the morning for better light and cooler weather

• Bring a waterproof camera for interior shots

• Wear comfortable clothes and non-slip shoes

• Do not collect stones or disturb wildlife

• Best season to visit: February – August

Admission Fee

• Vietnamese visitors: About 120,000 – 150,000 VND per person

• Foreign visitors: About 200,000 – 250,000 VND per person

(Includes national park entrance and boat ride)

Opening Hours

• Open daily: 07:00 AM – 05:00 PM

(Some sections may close during the rainy season for safety reasons)