'''Vieng Xai''' is a city in Houaphan province in Laos. There is the hidden city of the Pathet Lao, with hundreds of caves, some of them may be viewed with a guide.
Get in
Get around
See
Do
A guided tour to the caves is about 30000 Kip and takes around 2.5 hours.
Buy
Eat
Drink
Sleep
Contact
Get out