Where are Chay River - Dark Cave located? Explore the refreshing destination in the heart of Quang Binh

Chay River – Dark Cave is located in Son Trach Commune, Bo Trach District, Quang Tri Province (formerly part of Quang Binh Province), within the core zone of Phong Nha – Ke Bang National Park. This is one of the most famous eco-tourism and adventure spots, attracting visitors with its turquoise river and pristine cave system. Chay River is about 8 km long, featuring clear blue water formed from underground streams flowing through limestone mountains. Meanwhile, Dark Cave is nearly 6 km long, famous for its natural mineral mud lake and unique experiences such as mud bathing, swimming inside the cave, and exploring the stalactite system.

This tourist spot is about 50 km from Dong Hoi and about 15–20 km from Phong Nha Town, making it very convenient to combine with visits to other famous attractions such as Mooc Spring and Paradise Cave in the same itinerary.

Chay River – Dark Cave enjoys a convenient location within Phong Nha – Ke Bang National Park, with a road network that is easy to navigate by motorbike, car, or taxi.

From Dong Hoi

From the city center or Dong Hoi Airport, travel along the East Ho Chi Minh Highway (National Highway 16) to Km 0 Khe Gat, then turn onto the West Ho Chi Minh Highway (National Highway 15) and go for about another 15 km to reach the tourist area. The total distance is about 50 km, with a travel time of 1–1.5 hours.

From Phong Nha Town

Starting from the center of Phong Nha Town, follow Provincial Road DT20 connecting with National Highway 16, then continue along National Highway 15 to Chay River – Dark Cave. The distance is only about 15–20 km, taking about 20–30 minutes. If staying at Chay Lap Farmstay, you only need to travel about 3 km to get there.

Note: It is recommended to use Google Maps or navigation apps to update the latest route. The route has clear signposts and is convenient for both motorbikes and cars.

Known as one of the prominent adventure tourism spots of Phong Nha – Ke Bang, Chay River – Dark Cave offers a perfect combination of exploration, sports, and relaxation in nature. Coming here, visitors will experience:

• Ziplining across Chay River: Conquer the zipline route about 400 m long, gliding over the turquoise river to reach the entrance of Dark Cave and enjoying a panoramic view of the mountains and forests from above.

• Exploring Dark Cave & mineral mud bathing: Equip a headlamp to explore the millions-of-years-old stalactite system, then relax in the natural mineral mud lake – a unique experience found only at Dark Cave.

• Kayaking on Chay River: Freely paddle along the clear blue water, enjoying the magnificent limestone mountains and pristine forest scenery.

• Participating in water games: The tourist area also features many exciting activities such as free-fall ziplining into the river, water cycling, obstacle courses, balancing bridges, and an inflatable water park, suitable for groups of friends and families.

Activities usually take place from 8:00 – 16:00 daily. The tourist area provides various flexible ticket packages, in which the full-package ticket to explore Dark Cave, zipline, and kayak costs about VND 450,000/adult (prices may vary depending on the time). Visitors should check the latest information before planning their visit.

The ideal time to explore Chay River – Dark Cave is from March to July, especially from April to July. This is the dry season, with sunny weather and clear blue river water, very suitable for activities like ziplining, kayaking, and exploring Dark Cave.

From September to November is the rainy season, so water levels may rise, causing some activities to temporarily pause. December to February brings cool weather (18–22°C); visiting is still possible, but you should prepare a jacket if participating in water activities.

To have a safe and complete journey exploring Chay River – Dark Cave, you should prepare carefully regarding attire and health, as well as comply with the rules of the tourist area. Below are important notes to help you enjoy your trip most comfortably:

• Ensure safety: Always wear a life jacket and helmet, and follow the staff's instructions. Do not arbitrarily remove protective gear when participating in ziplining or adventure activities. Children must meet the height and weight regulations.

• Prepare suitable attire: You should bring swimwear, quick-drying clothes, sneakers or anti-slip shoes, as well as towels, sunscreen, and insect repellent.

• Bring necessary items: Waterproof bags for phones, drinking water, hats, and personal belongings. The tourist area provides lockers and changing rooms for visitors.

• Protect the environment: Do not litter, do not harm the ecosystem, and only move along designated paths.

• Health notes: People with cardiovascular diseases, blood pressure issues, or a fear of heights should consider carefully before participating in ziplining and adventure games. Also, stay hydrated and rest adequately throughout the trip.

Chay River - Dark Cave, a wonderful harmony between the poetic beauty of the turquoise river and the mystery, uniqueness of the dark cave with one-of-a-kind experiences. Hopefully, with the detailed information provided on location, beauty, and ticket prices, you have enough preparation to plan your exploration of this 'emerald gem' of Quang Binh. And if you don't want to worry too much about the itinerary, you can refer to the Chay River - Dark Cave tour by Sovaba Travel. We will take you on a wonderful journey. Visitors who wish to book a tour can contact hotline 0934.733.223 for detailed advice.