Located in the heart of Phong Nha – Ke Bang National Park, Chay River – Dark Cave is one of the most exciting adventure destinations in Central Vietnam. Combining breathtaking natural scenery with thrilling outdoor activities, this attraction is perfect for travelers seeking both relaxation and adrenaline in a single journey.

Chay River - A Scenic Highlight of Phong Nha Ke Bang

Chay River flows peacefully through lush primary forests and towering limestone mountains, creating a picturesque landscape that feels untouched and pure. The river’s emerald-green water reflects the sky and surrounding cliffs, offering visitors a sense of calm and connection with nature from the very first moment.

The highlight of this destination is Dark Cave (Hang Tối), a unique cave system formed millions of years ago. Unlike many illuminated caves, Dark Cave remains largely in its natural state, preserving its mysterious and primitive beauty. Visitors are equipped with headlamps and safety gear before entering, making the experience feel like a true expedition into the underground world.

Your adventure usually begins with a zipline ride over Chay River, one of the longest double-wire ziplines in Vietnam. As you glide across the river, the panoramic view of forests and mountains unfolds beneath your feet, delivering an exhilarating start to the journey. This activity alone is enough to leave a lasting impression on adventure lovers.

Dark Cave - A Unique Underground Adventure

Once inside Dark Cave, the excitement continues. You will swim through cool underground waters, navigate narrow passages, and explore stunning rock formations shaped by nature over thousands of years. One of the most memorable activities inside the cave is the natural mud bath. Rich in minerals, the warm mud is not only relaxing but also believed to be beneficial for the skin. Floating in the mud in complete darkness creates a surreal and unforgettable experience.

After exiting the cave, visitors can enjoy a variety of fun water activities along Chay River. Kayaking allows you to slowly paddle along the calm water, soaking in the fresh air and peaceful surroundings. For those who enjoy a bit more action, swimming, water slides, and rope swings are available, making this destination suitable for families, groups of friends, and young travelers alike.

Chay River – Dark Cave is not just about adventure; it is also an ideal place to unwind and reconnect with nature. The cool climate, clear water, and green landscape make it a refreshing escape from busy city life. Whether you are an experienced adventurer or a first-time explorer, this destination offers activities that are safe, well-organized, and suitable for different fitness levels.

Ideal time to visit

The best time to visit Chay River – Dark Cave is from March to September, when the weather is dry and the river is at its most beautiful. During this period, the water is clear and calm, ensuring the best conditions for ziplining, swimming, and kayaking. Visitors are advised to wear comfortable clothes, bring swimwear, and follow the instructions of professional guides to ensure a safe and enjoyable experience.

If you are looking for a journey that blends nature, adventure, and relaxation, Phongnha Discovery Tours is the perfect choice.