You will be picked up from Phong Nha area to transfer to Tan Hoa Operation office. It takes around 1.5 hours to drive.

At the office, you will attend a safety briefing, sign the release form, and receive all necessary safety equipment.

Start walking through green cornfields and grasslands toward the Rao Nan River. After crossing the river, you will hike up a short slope for about 5 minutes to reach the entrance of Rat Cave. Here, you will be equipped with helmets, headlamps, and safety gear to start exploring this cave.

Rat Cave is nearly 300 meters long and features impressive formations despite its modest size. Inside, you will see sparkling stalactites and a high dome with a unique heart-shaped formation, created over millions of years.

After exploring the cave, the group will return to the entrance for a light snack.

You will then continue to conquer “Baby Hill,” with an elevation of around 60 meters. From here, the trek continues across Hung Ton Valley to reach the dry passage of Hung Ton Cave. This area reveals fascinating geological history, with marine fossils embedded in the rock walls, dating back millions of years and offering insight into the formation of the Tu Lan cave system.

Guides will assist you in wearing safety harnesses to descend a 15-meter ladder inside the cave.

The group will then move to the river passage, where you will put on life jackets and check personal belongings.

You will swim through the underground river, exploring the cave using specialized lighting. At the end of the cave, the scenery opens up to the peaceful and picturesque To Mo Valley. Here, the group will enjoy lunch and have free time to swim and relax in the emerald stream.

After resting, the group will trek across the valley and green fields back to the office in Tan Hoa village. You will then transfer to Tu Lan Lodge.

Check in, shower and relax.

Dinner with locals at their homes.

This is a great chance to enjoy traditional home-cooked dishes and learn about local daily life.

After dinner, the group will return to Tu Lan Lodge for a good sleep.

After breakfast which is available from 6:00AM, you will have time for check-out, short briefing, and luggage arrangements, and then depart the Hang Tien exploration.

The journey starts with a climb over a hill, leading deep into the forest. You will trek through untouched jungle and cross rocky terrain before descending into a valley. Following a trail toward the west, you will see large rock formations along the way.

After passing this challenging section, you will reach the cave entrance, where a stunning landscape unfolds.

A light snack will be provided before entering the cave.

Inside Hang Tien, part of the Tu Lan cave system, a vast space opens up with layered calcite formations resembling terraced fields, covered in natural greenery. Looking up, you will see a massive dome and unique striped patterns along the cave walls. As you go deeper, more impressive and mysterious formations will appear. After reaching the rear entrance, the group will return to the starting point to enjoy a prepared lunch.

After lunch, the group will continue over large rock formations to reach a natural pool in the forest. Here, you can swim freely and take photos.

To conclude the journey, the group will walk along the scenic Rao Nan River back to the main road, where the vehicle will be waiting to transfer you to the Tan Hoa office for shower and refreshment before the bus takes you back to Phong Nha.

Arrive in Phong Nha. You will be transferred to your hotel in Phong Nha.