THAM WANG DAENG
( ThungSalaengLuang National Park, Phitsanulok )
The cave is a wonder of nature for its limestone glittering like stars in the sky. The cave has only one entrance. The round trip through this 12 kms long cave takes 3 days. Some part of it is just 1 meter wide. This adventurous trip need either walk, crawl, climb, and swim along the way. This virgin cave is the home of varied species. Two types of no-eye fish were discovered there.