Nuoc Mooc Eco-trail Travel

The Phong Nha – Ke Bang National Park in the central region of Vietnam holds some of the most beautiful natural assets in all of Asia and even the world. Mountains, rivers, caves, jungles, valleys, you name it! When you travel to Phong Nha, you’ll surely find a wide array of activities to choose from, places to see, things to try, traditions to learn and much more!

The Phong Nha –Ke Bang National Park in Vietnam is home to some of the world’s most colossal and spellbinding caves; the most revered ones being the world’s largest cave – Son Doong, the third biggest cave in the world – Hang En, the cave with the rarest and most extraordinary cave formations ever seen – Hang Va, one of the most prominent and gorgeously mysterious cave systems in the world – Tu Lan Cave System and other tourist caves like the Phong Nha cave, Paradise Cave and Dark Cave.

Apart from the many majestic caves to explore in the region, the Phong Nha – Ke Bang National Park is also where the utterly beautiful Nuoc Mooc Eco-Trail resides. The Nuoc Mooc Eco-Trail is also known as Mooc Springs Eco-Trail and is one of the biggest and best attractions in Phong Nha and even all of Vietnam. Amongst others, visiting the Nuoc Mooc Eco-Trail is surely one of the answers if you’re wondering what to do in Phong Nha!

About the Nuoc Mooc Eco-trail


The trails that you find in the Nuoc Mooc Eco-Trail are seen defined by very clearly marked paths and solid bamboo boardwalks. Here, you will have your mind blown away as you’ll be surrounded by some really beautiful lagoons and ebullient rivers! At the Nuoc Mooc Eco-Trail or Mooc Springs Eco-Trail, you’ll also see that the initial lagoon has been designed in a way that it allows you to enjoy a mini ropes course and is usually considered to be very exciting activity for children.

When you make your way deeper along the trails, you’ll see that it leads you to a much bigger area where you can unwind with some kayaking or splashing about in the inviting water! If you’re looking for a place to chill and cool off in this summer in Phong Nha, the Nuoc Mooc Eco-Trail is surely one of the top must-visit places in the region. One of the highlights of the Mooc Springs Eco-Trail is the fact that you’ll find it to be extremely peaceful and naturally charming despite it being one of the best attractions in the Phong Nha – Ke Bang National Park.

Interesting Facts


• The word “Mooc” in Vietnamese translates to “Unknown”. The name Mooc Spring was coined for this breathtaking spring as no one could really discern too well about the early origins of this

• You’ll find the Mooc Spring surfacing at the very bottom of a dominating Karst hill and due to the massive level of water that splashes out from this area sometimes, some researchers believed that there may be a gigantic cave system right here and could possibly lead all the way to Laos.

• The Mooc Spring Eco-Trail was constructed back in the year 2011 primarily for the purpose of catering to the massive development of tourism that the region saw at that time. The other main agenda of turning the Nuoc Mooc Eco-Trail into reality was to bring the world closer to the true beauty and serenity of the glorious Phong Nha – Ke Bang National Park.

• The Mooc Spring Eco-Trail also nests within itself numerous exotic flora and fauna. The wilderness of this area is home to snakes, different species of fresh water fish, gibbons, large kaleidoscopes of butterflies and various colorful birds!

Exploring the Nuoc Mooc Eco-trail 

As you make your way to the Nuoc Mooc Eco-Trail, you will hike along the spring and your path will mostly be in the form of bamboo bridges, stony sections and an incredibly beautiful orchid garden. The Nuoc Mooc Spring is seen emerging in a large pool from the bottom of the limestone hills surrounding you. You’ll admire how the glossy blue water is gorgeously in contrast with the restless white foam. The spring then goes on to join the Chay River to continues its serene flow over the rocks and through to wider and relatively quieter valley.

The Eco-Trail along the river is just 1 KM long and exploring the Nuoc Mooc Eco-Trail is considered to be very safe. The whole hike is considerably easy and won’t physically challenge you at any point; also as you’d be surrounded by surreal beauty you’ll surely be distracted from any kind of fatigue! All the travellers visiting the Nuoc Mooc Eco-Trail walking through the park can have a wonderful time just relaxing and taking cool dips in the pristine and clear waters of the area.

Should you wish to indulge in something slightly more adventurous, go on and visit the Mooc Spring where you’ll find a bridge to cross; the bridge has been designed in a way that ensures a certain level of adventure while you’re crossing it over the amazing water. You can also partake in kayaking and other fun activities!

Visiting the Nuoc Mooc Eco-trail


All you need to do is rent a motorcycle as the most ideal way to reach the Nuoc Mooc Eco-Trail entrance site is on a motorbike. You can rent a motorbike in Phong Nha town or can get to the site with the help of an Easy Rider, where you get to ride pillion with a licensed and experienced local rider; this is considered to be a very safe and reasonably priced way to travel. Make sure you leave early in the morning, enjoy throughout the day and return before it gets dark.

The Nuoc Mooc Eco-Trail is tucked into the jungle just off the main road of the national park loop. While you’re on the way on the loop, you’ll see that the entrance of the Nuoc Mooc Eco-Trail is located around 2 KM from Dark Cave.



·     Basic entrance fee: VND 80,000/PAX (USD 3.6)

·     All access pass fee: VND 180,000/PAX (USD 8.2 – This pass allows you complete access to the Mooc Spring and all activities)

·     English speaking Tour guide: VND 300,000 (USD 13.6)

·     Kayak rental: VND 100,000/hour (USD 4.6)

Opening Hours


7:00 AM to 5:00 PM

Visit duration can vary from 1 hour to 4 hours.

The Nuoc Mooc Eco-Trail is one of the most beautiful places in Vietnam and surely adds to the charm of the Phong Nha-Ke Bang National Park. If you’re staying in Phong Nha, make sure you don’t miss a chance to visit this spectacular natural asset.

Oxalis Adventure Tours


If you are seeking a taste of the caves and really don’t have enough time then we recommend a one-day cave and jungle trek. We currently have three tour options for you to select, each with a slightly different style and suitability.

• Phong Nha National Park 1-DayOur family adventure in the Phong Nha offers a great taste of untouched jungle and impressive wild caves. It is the easiest level of adventure but there is still 5km of trekking and 2km of caving, and optional swimming during warmer weather into one cave. It’s suitable for kids from 12 and above with good fitness, and so this makes for a great day for everyone! It costs VND 1,650,000 per person (USD 72).

• Tu Lan Experience – 1 DayThis is one of our original one-day tours and still one of the best adventures in Vietnam. This one-day tour includes rock scrambling, 50m swimming through a wild river-cave, and up to 9 km of trekking through the lush jungles. You will also strap yourself in for a 15m descent down a ladder. It costs VND 1,800,000 (USD 78) per person.

• Hang Tien Discovery – 1 DayThis one-day tour is perfect for trekking enthusiasts eager to see the largest cave of Tu Lan but without time for the two-day experience. Hang Tien is a dry cave so no swimming required, but still includes up to 4km of trekking through mostly flat jungle and about 500m exploring this incredible cave that will no doubt impress with its grandeur. It costs VND 2,000,000 per person (USD 87).


Our most popular cave adventures start from two-days providing an immersive jungle and caving adventure, each targeting a slightly different kind of adventure-seeker, or perfect for those who want to combine a couple of tours to see different caves and areas on one trip to Phong Nha.

• Tu Lan Cave Encounter – 2 DaysOur most popular tour exploring the famous jungle area of Tu Lan. On this overnight camping excursion, you will trek through a number of different dry caves, swim up to 500m through a couple of river caves, witness outstanding cascading waterfalls underground as featured in National Geographic, and spend the night at our jungle camp beside a gorgeous waterfall. It includes 12km of trekking and 3km of caving in total and is for those with a good adventurous spirit. It costs VND 5,500,000 per person (USD 239).

• Hang En Cave Adventure – 2 DaysFor two days, this is our best-value-for-money tour that includes one of the most jaw-dropping natural landscapes you will see in this lifetime. This cave is considered the second largest cave in Vietnam and third largest in the World, and it also makes up one night of the original five-day Son Doong Cave Expedition being so close to the largest cave in the world. It includes visiting Ban Doong Ethnic Village, located in the jungle, and a magnificent campsite on a sandy beach inside the cave. It includes 22km of jungle trekking at times quite rocky, multiple knee-deep river crossings, and elevation change of 400m (the ‘hill’ you won’t forget), and 4km of caving. This is a level 3 adventure on a scale of 1 to 6. It costs VND 7,600,000 per person (USD 330).

• Hang Tien Endeavor – 2 DaysA two-day trek into the jungle to see the largest dry cave of the Tu Lan area, exploring 5.5km of this truly stunning cave, with a variety of karst formations. This 13km trek is suitable for those not too keen on cave swimming or too many hills, but still up for an adventure. This is a level 4 adventure between 1 and 6, with 6 being the most challenging. It costs VND 6,500,000 per person (USD 283).

• Hang Va Expedition – 2 DaysA technically challenging, but equally rewarding two-day caving adventure in the heart of Phong Nha National Park. This tour takes you deep into the jungle to one of the most spectacular river-caves, with formations not seen anywhere else in the world! It involves rock scrambling, wading through an underground river, bouldering and rope-traversing within the cave, to reach the rarest tower cone formations. This involves quite a lot of technical work due to safety, but is not overly difficult, it includes 10km of trekking and 3 km of caving.  This is a level 4 adventure, with 6 being the highest. It costs VND 8,000,000 per person (USD 348).


Now, if you really want to increase the adventure and soak up the wild jungle of Vietnam, with plenty of time to relax and enjoy the area, we highly recommend a three-day caving tour of our Tu Lan or Hang Tien.

• Wild Tu Lan Cave Explorer – 3 DaysThis tour incorporates the very best of Tu Lan with two different jungle campsites besides stunning waterfalls, 3km of cave exploring through a number of caves, 1km of cave swimming and visiting some additional areas not included on our shorter experiences. Our three-day tour is very popular and tends to be booked out so get in quick to enjoy this thrilling jungle adventure. It includes 17 km of jungle trekking and with quite a bit of swimming you will need to have a good level of fitness. It is not for the faint-hearted, but still only considered level 3 adventure level compared to level 4 of the Hang Tien 3-day tour. It costs VND 8,000,000 per person (USD 348).

• Hang Tien Exploration – 3 DaysThis three-day tour stands out for combining a taste of Tu Lan with some river cave swimming, before crossing a mountain range to reach the valley for Hang Tien – the most astounding dry caves in the region, where you will enjoy trekking, bouldering over various rocky terrains to witnessing breathtaking patterned calcite walls & ceilings of Hang Tien. It’s challenging and definitely more suited to adventure enthusiasts who have trekking experience and prefer more challenging routes. It includes a total of 22km of trekking, 6.5 km of caving and an elevation change of 150m over one particular hillside. You will get wet, you will be challenged, but you will not be disappointed. Hang Tien is located adjacent to the Tu Lan area so you will enjoy the best of both worlds – a level 4 adventure out of 6 adventure levels. It costs VND 8,500,000 per person (USD 370).


For those looking for the ultimate adventure experience in Vietnam, and thriving for the real grand expedition of the world, you should opt for these 4-day journeys to explore the entire cave system of Tu Lan and the largest cave on Earth

• Tu Lan Expedition – 4 DaysYou will also explore all of the extraordinary caves in Tu Lan, including Kim Cave and Secret Cave that boasts phenomenal natural falls and karst formations inside these two unbelievable river caves. Complete a trek through Hang Tien Cave – famed for its vastness and magnificent formations. Our secluded jungle campsites are spectacular and mostly different from those visited on our shorter treks in the same region. This is a perfect alternative expedition for those who are unable to do Son Doong Expedition, still it’s challenging and not recommended for those without experience. It includes an additional night at Chay Lap Farmstay before the tour to ensure you are well rested and ready to depart early the following day. Level 5 on our 6 adventure levels. It includes 30km of jungle trekking, 5 km of caving, about 800m swimming through caves and one abseil in a cave in the pitch black – highly adventurous! It costs VND 15,000,000 per person (USD 652).

• Son Doong Expedition – 4 DaysBy now you would have seen some pictures of Son Doong Cave, and even they don’t do it justice. The record-breaking Son Doong Cave is hands-down one of the most stunning places on this planet Earth. The expedition is tough, but not too difficult so long as you have a strong resolve to achieve. It is surely one of the newest wonders of the world. Son Doong is not just another cave tour – it is life-changing to say the least. It includes 25km of trekking, 9 km caving including rope climbs, and the 90m ascent of the Great Wall of Vietnam using a ladder, elevation change of 400m and many river crossings inside and outside the cave. Level 6 on our adventure levels. It costs VND 69,800,000 per person (USD 3000).

STILL HAVE QUESTIONS?  Visit our FAQs section where we have a lot of answers for your questions and concerns. https://oxalis.com.vn/faq-general/

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