Tham Nang Aen is a breathtaking natural wonder in Khammouane Province, offering a distinct experience compared to other caves. Its most notable feature is the naturally cool and well-ventilated air, making the atmosphere comfortable and never stuffy, allowing visitors to walk all the way through to the other side.

The cave's interior is illuminated by a variety of colored lights, enhancing the beauty of the stalactites and stalagmites. This lighting creates a mesmerizing, sometimes otherworldly ambiance. A stream flows through the cave, providing an alternative way to see its wonders: you can either walk along the well-maintained stairs and pathways or take a peaceful boat tour along the waterway.

The cave holds a special place in local culture and belief, with several unique formations. One particular stalagmite, named "Ai Siang Liap," is a sacred object wrapped in a traditional "Pha Khao Ma" and three-colored cloths. Another unique rock formation, shaped by centuries of dripping water, is also a fascinating natural wonder that locals revere.

The area is a beloved spot for the community; many locals enjoy relaxing and having a meal near the cave's entrance to escape the heat.

• Tham Nang Aen is located in Khammouane Province. You can travel by road from the town of Thakhek or from the Thai-Lao Friendship Bridge No. 3.

• You can hire a private car or use local public transportation to reach the cave.

• Wear appropriate shoes for walking on uneven surfaces and stairs.

• Be prepared with cash for admission fees and the optional boat tour.

• Show respect for the sacred formations and the natural environment.

Admission Fee: 

• Per Person: Approximately 2,000 LAK.

• Optional Boat Tour: Approximately 10,000 - 20,000 LAK per person, depending on the group size or time of year.

Opening Hours

• Daily from 08:00 to 17:00, with year-round access. Note that the cave may be temporarily closed during the rainy season due to high water levels for safety reasons.