Mooc Spring

Mooc Springs Eco Trail

Mooc Spring Bamboo Bridge

Mooc Spring Bamboo Bridge


In the Vietnamese language Mooc means unknown and the spring was called Mooc Spring due to the little knowledge there is about its origin. The spring surfaces at the bottom of a karst cliff. Due to the huge amount of water that sometimes erupts from this area, researchers believe that this may be the next biggest cave system to be found in the world and that it could lead all the way to Laos. The cool water here has a unique blue colour and is incredibly fresh.

The hike takes you along the spring, on stone paths and bamboo bridges, through the orchid garden, where it eventually meets with the Chay river. It is a safe and relatively easy walk through the Park where visitors are encouraged to relax and swim in its pristine clear waters. If you are more of an adventurous type don’t hesitate to visit the Mooc Spring either, there is an adventurous bridge above the water that can be crossed, kayaking and much more fun!

Mooc Spring Orchids

Mooc Spring Orchids

The Mooc Spring Eco-Trail was built in 2011 to cover the higher demand for tourism in the area. It was also built as a site to relax and embrace the tranquillity of the Phong Nha-Ke Bang National Park. The spring is located about 2 kilometers up river from Dark Cave. The Mooc Spring Eco-Trail is home to many exotic animals like Gibbons, colorful birds, snakes, many fresh water fish and butterflies. Our National Park Tour includes a visit to the Mooc Spring Eco-Trail and this is where the participants of this tour will have lunch. The lunch is prepared in the Mooc Spring Eco-Restaurant, it’s a traditional Vietnamese lunch served on banana leafs.

We recommend any one interested in visiting the Mooc Spring Ec-Trail to join our National Park Tour to create a complete and very exciting Phong Nha experience. For more information click here or head over to our daily tours.


Opening Hours:
07:00AM – 17:00PM Daily (visit duration 1~4 hours)

Tour Price

Entrance fee:

Adults and Children (130cm and above): 80.000 VND/pax

– Height under 1,3m: Free

Tour guide Price: 200.000 VND/ guide/Vietnamese
300.000 VND/$15 guide/English
Kayak rental: 100.000 VND/$5/hour