Oxalis Adventure & Vietnam Railways: A Partnership for Sustainable Adventures

With nearly 15 years of experience in adventure tourism, Oxalis Adventure has continuously delivered unique and extraordinary experiences to those passionate about exploring pristine jungles, caves, and Vietnam’s natural wonders in a distinctive way.

Visitors explore an underground river inside Son Doong Cave in central Vietnam.

Continuing this journey, in 2025, Oxalis Adventure partners with Vietnam Railways to offer exclusive benefits for train passengers. This collaboration aims to create a seamless travel experience, promote sustainable tourism, and bring travelers closer to the stunning nature of Quang Binh. Beyond exploring natural wonders, visitors will also have the opportunity to engage with local communities, experience traditional customs, and immerse themselves in the rich cultural heritage of Quang Binh - home to some of Vietnam’s most remarkable natural and historical treasures.

Visitors listen to the guide explain how to make cơm pồi in Tân Hóa Village.

This exclusive program is available only to train passengers whose departure or arrival station is Dong Hoi Station in 2025. Passengers will receive a 10% discount when booking any Oxalis Adventure tour. Eligible tours include:

Additionally, passengers arriving in Dong Hoi on an overnight train will be offered a complimentary dorm-room bed at Oxalis Home in Phong Nha, allowing them to relax and recharge before embarking on their adventure.

Train passengers can also enjoy the following benefits when using Oxalis Holiday services:

10% discount on room bookings or tours at Chay Lap Farmstay.
5% discount on Jungle Bungalow bookings and 10% discount on overnight camping packages or day trips at Blue Diamond Retreat.

How to redeem the offer:

Scan the QR code on the promotional sticker on the train to access program information.
Select your desired tour on the Oxalis Adventure website. Fill in the booking information and enter the promo code found exclusively on the promotional sticker on the train.
Confirm your information with the Oxalis Adventure consulting team to complete your registration.

For any inquiries regarding the program, please contact us at:

Email: [email protected]
Hotline: +84 919900357

Multi-day packages

Tu Lan Cave Encounter

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

VND 7,000,000/pax

Hang Tien Endeavor

This is a challenging trek to 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 7,200,000/pax

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 and stalagmites.

VND 75,000,000/pax

Hang Ba Deep Jungle Expedition

Those who join the Hang Ba Deep Jungle Expedition will receive a totally new experience from Oxalis Adventure. Renowned for sustainable tourism, Oxalis will now step up to actively promote conservation of biodiversity.

VND 35,000,000/pax

Hang Tien Exploration

The perfect journey to 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 9,900,000/pax

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 9,500,000/pax

Tu Lan Expedition

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

VND 18,000,000/pax

Overnight tours

Hang Tien-Tu Lan Discovery

Explore the Tu Lan cave system and Hang Tien cave, where you can admire the majestic and magical beauty of these caves and enjoy the comfort of Tu Lan Lodge for an overnight stay.

VND 5,200,000/pax

Hang En Cave Adventure

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

VND 8,000,000/pax

Hang Va Expedition

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

VND 8,300,000/pax

Tân Hoá Village Experience

Experience the first weather adaptive tourism village in Viet Nam.

VND 5,500,000/pax

Day tours

Hang Tien Cave Day Trek

With only one day, you can still enjoy a challenging trek, a natural swimming pool and see a spectacular cave.Hang Tien, also known as Fairy Cave has an enormous entrance, large calcite formations and unusual rock features.

VND 2,000,000/pax

Tu Lan Experience

An action-packed day trek to explore the marvelous jungle and caves of the Tu Lan System - home of the Hollywood blockbuster Kong: Skull Island (2017) by Jordan Vogt-Roberts.

VND 1,800,000/pax

Phong Nha: Nuoc Nut Cave Discovery

The park covers more than 123,000 hectares of limestone mountains and forests, hiding over 450 caves, even though only 30% of the park has been explored. Many secrets await you in this mysterious land.

VND 1,950,000/pax

Family tours

Tu Lan Family Experience

An ideal family trip to explore nature and the magnificent caves of the Tu Lan cave system including trekking, swimming in natural steam, picnic lunch at the river, discovering Rat Cave, exciting mini-game.

VND 2,300,000/pax

Tu Lan Family Adventure

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

VND 6,500,000/pax