This once-in-a-lifetime 3 Night Expedition to Conquer The World's Largest Cave of Song Doong will give you a fantastic and mesmerizing opportunity chance to uncover the world’s wonder "the Great Wall of Vietnam". This 4 day journey to the wild, exploring Son Doong Cave requires more than 25 porters, safety advisors & guides. You will explore the entire length of Son Doong Cave, Hang En Cave, and visit Ban Doong ethnic minority village.
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Optional activities, tailor-made experiences shall be added on the itinerary upon request.
Imagine trekking straight into the depths of the world’s largest cave which can fit a Boeing 747 flying through the largest passage, on an expedition unlike any other. Son Doong Cave is a masterpiece of nature with otherworldly landscapes, enormous stalagmites and statuesque stalactites – hanging from the ceiling and rising from the ground like an alien species. The real jungle inside the cave will amaze you in every way, while misty clouds envelope the scene. The fossil passage will give you the opportunity to understand the formation of this ancient limestone.
An adventure from start to finish, you will use ropes to climb into the entrance, and climb up the Great Wall of Vietnam, a calcite wall totaling 90m in height. You will always be under the guidance of the Oxalis safety team. The Expedition is not a race, so you should not expect to rush on this tour. There will be plenty of time for photography and to explore the cave. However, all adventurers are expected to be fit, and have some previous trekking experience (not necessarily climbing or caving experience).
Arrive in Dong Hoi by no later than 2 pm on the afternoon of your briefing day, where you will be met by our driver and transferred to Son Doong Bungalow in Phong Nha. Upon arrival, hospitality services will be happy to help you plan your extra time there. You’ll then have the rest of the day to rest, relax and wander around the village of Phong Nha. You will be required to purchase your own breakfast and lunch on this day.
Around 5:30-6:00pm you will congregate in the hotel restaurant before transfer to Oxalis Headquarters, where you’ll meet your cave expert and guide team for your safety briefing and equipment check. The briefing is mandatory. Anyone who chooses not to join the briefing may be eliminated from the tour without refund.
You are suggested to have all belongings that you will be taking on the trek prepared before the safety briefing. The operation team will collect everyone’s belongings right after the briefing in individual large plastic bags and send them to our porters to prepare for the following day.
You will receive your belongings each evening once you get to your campsite. Therefore, anything you want to take with you during the day you should keep in a separate backpack (e.g. cameras, tripods etc.). Before dinner, you will be given your helmet for the trip; the helmet will then be your responsibility for the duration of the tour. Please note that the Release Form needs to be signed at the safety briefing. After that, enjoy dinner with your team at around 7:30 pm at Oxalis headquarters, after which you will be transferred back to your hotel for a good night’s sleep.
Enjoy breakfast at 8:00 am before departing at 9:00 am for the first leg of the expedition. You’ll leave extra luggage and any valuables at Oxalis headquarters before setting off for adventure.
After a 45 minute drive along Road 20 of the Ho Chi Minh Highway you’ll reach the trailhead, where you’ll start trekking for approximately 1 hour downhill through the forest, which is quite steep at times. Walk for half an hour along a small stream to the minority village of Ban Doong, which is a real highlight for many on this expedition. Learn more about this unique ethnic group of people and enjoy lunch in the village.
After this point, you will be in the sun all afternoon with about 2 hours along a river, with very little shade. You’ll cross the river many times so please expect to have wet feet for the whole day. In the summer, the water is only usually knee deep, but Gore-Tex boots will fill and hold the water so therefore they are not recommended (please see our detailed FAQ for footwear recommendation).
You’ll then reach the entrance to Hang En Cave, home to thousands of swifts. Here you’ll be given your headlight and you will trek/boulder approximately 20-30 minutes to your campsite inside the cave. The group should arrive at camp around 3:00 – 4:00 pm where you can enjoy swimming and washing within the underground river. Dinner will be served at the spectacular campsite with numerous photographic opportunities.
Anyone who is unable to complete any stage of this first day comfortably will be turned around to Phong Nha and will not be permitted to continue the expedition. This will be the decision of the safety team on your tour. Should you be turned around, all tour costs will be forfeited.
Your day begins with a hearty breakfast with your team before a 9:00 am departure towards your second campsite in Son Doong Cave. You’ll start with some rocky climbs, which are quite steep in some places, as you reach the first jungle within the cave at Watch Out for Dinosaurs. It will take about 1.5 hours to travel within the cave from Camp 1 to Watch Out for Dinosaurs. We will spend some time here taking photographs and then you’ll be going down the rocky path to reach the enormous Green Gours, one of the most magnificent and famous photography spots on the tour! A light lunch is provided with an incredible backdrop of the first doline. If you are lucky you may even catch some sunbeams, which make for truly spectacular photos.
It is then a walk through the cave past gigantic formations and plenty of cave pearls towards the light of the second doline and main jungle within the cave. Follow the path past the beautiful foliage reaching towards the light, to reach the underground jungle, unlike anything you could experience on the planet! Cross the jungle for around 30 minutes to reach the steep and sometimes slippery path down to your second campsite within Son Doong Cave. You will reach camp around 2 – 3 pm.
After a short rest at your campsite, you are back on your feet and heading deeper within the cave. You’ll pass through a very large dry passage with huge stalagmites and great views back to the second doline. Many new creepy crawlies have been discovered within this passage including white spiders, fish, woodlouse and shrimp species, so be sure to keep your eyes open. You will have many great opportunities for photography here.
You’ll be back at camp again around 5 pm to enjoy a sensational dinner with your team and delight yourself with an evening of games and entertainment, or simply relax and soak up the views at what is quite possibly the very best campsite in the world.
After refueling with another hot breakfast you’ll pack up camp and start heading towards the Wall of Vietnam. Scaling this wall will use a combination of ladders and ropes, but you will always have a safety line and people to look after you. After this strenuous ascent, you will see the light from the exit. At the top of the Wall, you will enjoy your picnic lunch before passing more flowstones and cave pearls; see the calcited animal skeleton then emerge into the jungle again.
A short but steep and rocky path will lead you down to the bottom of the hill, followed by and a short hike to the road. Cold drinks await you at the top of the hill before a 45 minute drive back to Chay Lap Farmstay & Resort where cool towels and a refreshing swimming pool are waiting for you. You will have time to relax after your long trek before enjoying a group farewell dinner with your fellow expedition team members.
Please advise our sales team in advance of your departure time so that they can arrange the logistics of your transfer back to the airport or train station. If you would like to extend your holiday in Phong Nha, let our team know so that we can assist you in booking extra nights at Chay Lap Farmstay & Resort.