The Trung Trang grotto is 15km from the town, close to the trans-island road. There are a lot of beautiful natural stalactites that makes you feel like flying high, visiting the Elysium on earth. The grotto can accommodate hundreds of people.
The Hung Son grotto 13km from the town, on the trans-island road. Another name is \”Army Medical Grotto\” because in the sabotaged war by America, an army hospital was built in the grotto with capacity of hundreds of beds in the mountain. This structure wrote feat of arms about courage of people.
The Phu Long Grotto (Cai Vieng) is recently found. It is considered more beautiful than Trung Trang grotto. In the grotto, stalactites and moisture steam make us imagine the way to sky, the way to sea, many quintessential vaults, golden mountain, silver mountain.