Two spectacular caves in Kanchanaburi - Tham Sao Hin (Stone Pillar Cave) and Tham Nok Nang-aen (Swallow Cave) – will be open to the public between February 29 and May 4, the head of Lam Khlong Ngu National Park said last Wednesday.
Tourists may register for a visit by calling the administration. As some areas are semi-submerged, good swimming skills are prerequisite. Visitors should also be healthy and free from any congenital diseases, respiratory or blood-pressure issues. Children under 15 y.o. and adults over 60 y.o. will not not allowed.