Special Offer from Oxalis Adventure Exclusively for Hung Long Bus Passengers

To bring more convenience and exciting experiences to travelers, Oxalis Adventure has officially partnered with Hung Long Bus – a reputable transportation company operating on the Hanoi – Quang Binh route (and vice versa). This collaboration helps connect your journey to the magnificent land of caves, making it easier for visitors to access unique adventure tours in Quang Binh.

Hung Long Bus has long been a familiar choice for many passengers traveling between Hanoi and Quang Binh. With reliable schedules, a fleet of high-quality vehicles, and experienced drivers, Hung Long ensures not only a safe journey but also a comfortable travel experience for all passengers.

Hung Long operates multiple trips daily between Hanoi and Quang Binh, including convenient overnight sleeper buses – a great choice for those wanting to save travel time and start their day early in Phong Nha or Dong Hoi.

Starting from 2025, passengers traveling with Hung Long Bus on the Hanoi – Quang Binh route (or vice versa) will receive a 10% discount on any Oxalis Adventure tour in Quang Binh. This exclusive offer is designed to make it easier for Hung Long customers to experience thrilling adventures in the Kingdom of Caves – Phong Nha-Ke Bang and the Tu Lan – Hang Tien Cave System. Eligible tours include:

If you take a Hưng Long bus and arrive in Phong Nha early in the morning, you can rest for free in a dorm room at Oxalis Home until 6:30 AM on the same day. Please contact the Oxalis in advance to check if there are beds available and reserve your spot before your tour.

How to use your promo code:

Scan the QR code on stickers available on Hung Long buses.
Visit oxalisadventure.com and select your preferred tour.
Enter the promo code on stickers into the “Promo Code” field during the booking process.
Complete your booking and confirm with the Oxalis Adventure team.

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

Email: [email protected]
Hotline: +84 919 900 357

The Oxalis Experience.

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