Son Moc Huong was formerly home to colonies of bats but now most of them have moved to other places.
A rock in the shape of an egg.
Covering nearly 7,000 square meters, the cave was previously referred to as Water Cave by Thai ethnic minority people in the province, since there is a spring inside the cave, supplying freshwater for locals, according to the provincial tourism website dulichmocchau.org.
After thousands of years of formation, the karst cave has been endowed with stalactites and stalagmites in various shapes and sizes, stimulating imagination of tourists.
In the midst of the cave is a lake of some 200 square meters.
In an excavation trip to the cave in 1992, scientists unearthed many objects made of stone and ceramic, indicating the cave was once inhabited by the people some 3,000-3,500 years ago.
The cave was recognized as a national beauty spot in 1998 by the then Ministry of Culture, Information and Tourism.
To reach the cave, tourists from Hanoi are advised to take National Highway 6 straight to Moc Chau Town of Moc Chau District, some 195km away from the capital city.
Bat Cave is endowed with stalactites and stalagmites in various shapes and sizes
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