Son doong expedition 4 days tour

VND 69,800,000/pax approx. US$3,000 Promo price VND 58,200,000 Normal price VND 69,800,000/pax (~$3000) See dates
The biggest cave on the planet when measured by cross-section. Discovered & explored for the first time in 2009. Only open to the public since 2013. Quality for the two enormous dolines (cave roof collapses) và underground rainforests. Trang chủ to the “Great Wall of Vietnam,” a 90m high calcite barrier. Various unusual cave formations, including huge cave pearls, towering stalagmites & phytokarst. Nestled in Phong Nha-Ke Bang National Park, home to some of the world’s largest caves. Oxalis Adventure works with the British Cave Research Association & the Vietnamese government lớn carry out the expeditions. For conservation & safety reasons, you can only visit Son Doong on four-day expeditions with Oxalis Adventure.

Local man Ho Khanh discovered Son Doong in 1990 while searching Phong Nha-Ke Bang National Park for food và timber to lớn earn a modest income. During his search he stumbled across an opening in a limestone cliff, noticed clouds billowing out from the entrance và heard the sounds of a river raging from somewhere inside. He returned home and forgot about the cave.

Ho Khanh met Howard & Deb Limbert of the British Cave Research Association (BRCA), who were conducting exploratory caving expeditions in the area. After hearing his stories, they urged Ho Khanh to lớn rediscover the cave, which he eventually did in 2008, after several attempts. In 2009, he led Howard, Deb and a team of other caving professionals lớn the opening. After the first survey in 2009, the team were able lớn conclude that the cave had the largest cross-section of any cave anywhere on the planet.

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The cave was named “Son Doong” & Ho Khanh is still an integral part of every Son Doong Expedition

Son Doong is relatively young – about 3 million years old in a limestone area dating back 400 million years. The mighty Rao Thuong River carved out Son Doong as it eroded away the limestone, forming an enormous tunnel beneath the Truong Son Mountains. The large dolines (or skylights) collapsed sometime in the last 500,000 years, creating massive openings khổng lồ the outside world. Cave pearls the kích cỡ of baseballs và stalagmites the kích cỡ of tall buildings have formed from water dripping from the cave ceiling.

The first expedition was halted by a 90m high calcite barrier, which was jokingly dubbed the “Great Wall Of Vietnam.” It wasn’t until the second expedition in 2010, when the Great Wall was finally climbed và the end of the cave was found. The main huge passage is over 5km long with sections reaching up lớn 200m tall & 150m wide. Son Doong is large enough to house an entire 40-story thành phố new york City block skyscraper.

Cave experts are researching the connection between Son Doong Cave & neighbouring Thung Cave. If the connection is made , Son Doong will be the largest cave in the world by volume, as well as cross-section. Find more information about the diving expedition in Son Doong Cave.

You can only visit Son Doong on four-day expeditions with Oxalis Adventure.

Son Doong Expedition 4 Days

Below, some hotels we would recommend in Phong Nha with the best COVID-safe measures. All staff members have been fully vaccinated, ensuring your safety while exploring Phong Nha.


Chày Lập Farmstay

A residence located in the middle of a vast green forest. You’ll enjoy peace, tranquility while having all your needs anticipated & met with ease at Farmstay. An ideal departure point to lớn begin your discovery of magnificent caves.

Sơn Đoòng Bungalow

Occupying a beautiful location in the center of Phong Nha Town, đánh Đoòng Bungalow is a resort paradise for people of all ages. Modernly designed, fully equipped, & elegantly blending into nature.

Oxalis Home

Ideally located along the peaceful Son River, Oxalis Home hotel boasts some of the best views in Phong Nha. Your stay will be filled with lots of không tính phí services activities.


Victory Road Villas

Victory Road Villas is a residence that fuses contemporary western elegance with local traditional both North và South Vietnamese.

Hồ Khanh Homestay

Homestay of the man who discovered Son Doong - the largest cave in the world. Rooms in a traditional wooden house with stunning views of Son river, bar, shared lounge, garden, terrace,...

Areca Bungalow

Nestled on the gentle Son River, Areca Bungalow has a recognizable style. In front of each room, there is a small garden and an open space in the yard.

Whether you prefer long treks, camping in a cave, sleeping under the stars in the jungle, swimming underground in river caves, explore the huge dry caves or just taking an exploratory day trip, Oxalis Adventure Tours can provide the right amount of adventure just for you.

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VND 1,800,000/person Promo price VND 1,620,000 Normal price VND 1,800,000/pax
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Hang Tien Discovery

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Tu Lan Experience

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Tu Lan Family Adventure

An ideal journey for all members of the family khổng lồ explore Tu Lan"s wilderness. Many enjoyable mini-games và activities for kids to join in such as trekking, swimming, painting, caving, & overnight camping.

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Hang Tien Endeavor

This is a challenging trek lớn visit Hang Tien 1 & 2 - two biggest caves of Tu Lan cave system. Hang Tien means Fairy Cave in Vietnamese as it looks otherworldly with an enormous entrance, calcite formations and rock features.

VND 6,500,000/person Promo price VND 5,850,000 Normal price VND 6,500,000/pax
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Tu Lan Cave Encounter

This tour offers a glimpse into the amazing beauty of the Tu Lan area: caves, karst mountains, jungle, & waterfalls. It is an opportunity to go deep into the rugged và untouched nature of Vietnam.

VND 5,500,000/person Promo price VND 4,950,000 Normal price VND 5,500,000/pax
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Hang En Cave Adventure

An unforgettable adventure into one of the largest caves on Earth – Hang En, where you get a bucket menu camping experience inside the cave & admire nature’s beauty like never before.

VND 7,600,000/person Promo price VND 6,840,000 Normal price VND 7,600,000/pax
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Hang Va Expedition

A true underground adventure khổng lồ visit two spectacular river caves of the National Park. Nuoc Nut Cave is a large cave with both dry và river passages with clear blue pools.

Promo price VND 8,000,000 More benefits included
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Hang Tien Exploration

The perfect journey lớn explore both most fascinating wet and dry caves, especially Hang Tien 1 and 2. They are the biggest dry caves of the system with enormous entrances, large calcite formations and unusual rock features.

VND 8,500,000/person Promo price VND 7,650,000 Normal price VND 8,500,000/pax
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Wild Tu Lan Cave Explorer

This exciting journey has some challenging sections, but with the help of the team you will explore six amazing caves. River caves where you can swim or raft and dry caves covered in outstanding calcite formations.

VND 8,000,000/person Promo price VND 7,200,000 Normal price VND 8,000,000/pax
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Quang Binh Exploration

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Son Doong Cave Expedition

This four day expedition will explore Son Doong Cave the world’s largest cave passage. Trek through vast underground spaces and marvel at the continually changing display of stalactites & stalagmites.

Promo price VND 58,200,000 VND 69,800,000/pax
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Tu Lan Expedition

This màn chơi 5 expedition is one of our most challenging treks. Throughout the four days you will explore numerous caves, both river caves & dry caves; abseil inside Tu Lan Cave down lớn the underground river

Promo price VND 15,000,000 More benefits included
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Quang Binh Experience

This package is designed for those who want lớn balance between discovery and relaxation with light activities, suitable for families traveling with their children.

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