Chieu Cave (Hang Chieu)

Chieu Cave (Hang Chieu) is a natural limestone cave located on Pu Phu Hill overlooking Mai Chau Town in Mai Chau District, Phu Tho Province, Vietnam. Reached by climbing about 1,200 stone steps, the cave features two main chambers with stalactites and stalagmites illuminated for visitors. It is notable for its panoramic views over the Mai Chau Valley and surrounding rice fields, and is a popular sightseeing stop for visitors exploring the valley's Thai ethnic villages.

Visitors can expect a steep climb of approximately 1,200 stone steps up Pu Phu Hill to reach the cave entrance, with viewpoints over Mai Chau Valley along the way. Inside, the cave has two main levels with illuminated stalactites, stalagmites and large chambers to walk through on uneven natural floors. The surroundings are forested limestone karst with rice fields and stilt-house villages visible from the hillside. The visit is primarily sightseeing, photography and light caving.

Located in the heart of the White Thai ethnic area of Mai Chau Valley, the cave is a well-known natural landmark for local communities and a common cultural sightseeing stop on tours of traditional Thai stilt-house villages such as Lac Village and Pom Coong Village.