News • Oxalis Adventure

15 Years of Oxalis: A Journey of Transforming Lands Through Responsible Tourism

After 15 years of steady development, Oxalis has played a role in establishing Quảng Trị as home to the world’s largest concentration of cave adventure tourism experiences, helping strengthen Vietnam’s position on the global adventure tourism map.

Best Things to Do in Phong Nha in Summer (May-August): A Seasonal Guide

Explore the excitement of summer in Phong Nha - Ke Bang! From stunning caves to peaceful villages, this guide shows you the best experiences, tips, and itineraries for an unforgettable trip.

Phong Nha Caves Exploration Museum: Free Entry and What to Expect

Explore why the Phong Nha Caves Exploration Museum is a must-visit destination before you head into the real caves. Find the essential tips, and preview the exhibits and artifacts.

English class for Rural Homestay owners in Tan Hoa village

OEC created a short course focused on practice. The main goal is simple. Help owners greet guests, introduce themselves and their families, and guide guests in using homestay services in a professional way.

Son Doong Cave featured on CBS 60 Minutes

From January 14 to 17, 2026, the production team of CBS 60 Minutes selected Son Doong Cave as the sole filming location for a large-scale, in-depth report dedicated entirely to the world’s largest cave - its discovery, exploration, and extraordinary values.

Community

Oxalis Foundation funds the 24/7 Emergency Station in Phong Nha and its vicinity

Tân Hóa: A village transformed by Tourism

From Local Porter to Adventure Tour Guide

Oxalis Adventure utilizes local food sources from cooperatives

Oxalis donates lighting equipment to 5 underprivileged households in Lung Puot, Tuyen Quang

Sustainability

4 key strategies Oxalis reduces Scope 1 emissions in tourism

How to reduce plastic waste while traveling | Benefits and practical solutions

Eco-friendly tourism: How sustainable transportation leads the way

Transparency – The driving force behind Oxalis’s Net Zero journey

Oxalis's direction and commitment to achieving Net Zero

Our Blog

15 Years of Oxalis: A Journey of Transforming Lands Through Responsible Tourism

Phong Nha Caves Exploration Museum: Free Entry and What to Expect

Explore why the Phong Nha Caves Exploration Museum is a must-visit destination before you head into the real caves. Find the essential tips, and preview the exhibits and artifacts.

English class for Rural Homestay owners in Tan Hoa village

Son Doong Cave featured on CBS 60 Minutes

The Journey of Porter Fathers Who Support Their Children’s University Dreams

The story of fathers working as porters at Oxalis, from carrying luggage to supporting their children’s university education and contributing to sustainable tourism development.

Trekking Tips

Milky Way Stargazing Experience in the Forest with Oxalis

See the Milky Way with Oxalis Adventure! Trek forests, explore caves, and camp under clear starry skies for an unforgettable stargazing experience in Quang Tri.

Rao Nan River: The flow that created Tu Lan cave wonders

Explore the Rao Nan River, the river that helped create the beautiful Tu Lan cave system.

Exploring Cat Tien National Park: Tips for adventurers

Cat Tien National Park is a place where visitors can explore a rich diversity of flora and fauna, including many rare species, and enjoy gentle trekking through the old-growth forest.

10 most famous national parks in the world

Discover 10 epic, famous national parks, each packed with mind-blowing views, wild encounters, and unforgettable adventures you won’t want to miss!

Vietnam Destinations

The McNamara Line: A Billion-Dollar Failure in Quang Tri

The McNamara Line in Quang Tri was once one of the most advanced electronic defense systems of the U.S. military. Let’s explore how Vietnamese forces were able to break through and neutralize this powerful barrier.

Phong Huong Forest: A rare red-leaf forest in Quang Tri

Phong Huong Forest in Khe Sanh, Quang Tri captivates visitors with its seasonal red leaves and immersive experiences close to nature.

Camp Carroll: The Firepower Hub of Vietnam's DMZ

Hidden on Hill 241, Camp Carroll was once known as a “notorious artillery stronghold.” What made this place a former hotspot in Quang Tri Province?

Experience Phong Nha Cave With All Five Senses

Phong Nha Cave Vietnam is not only a place to see but also a place to feel through sight, sound, smell, touch, and taste.

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 7,700,000/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 8,000,000/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 79,500,000/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 38,600,000/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 10,900,000/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 10,500,000/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 5,800,000/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 8,800,000/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 9,200,000/pax

Tân Hoá Village Experience

Experience the first weather adaptive tourism village in Viet Nam.

VND 6,100,000/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 2,200,000/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 2,000,000/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 2,150,000/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 2,600,000/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 7,200,000/pax