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 <img src="https://media.nationthailand.com/uploads/images/2020/01/15/1962019%20_1_%E0%B9%91%E0%B9%99%E0%B9%90%E0%B9%96%E0%B9%91%E0%B9%99_0010.jpg?x-image-process=style/lg-webp" alt="Prime chance to see thrilling Kanchanaburi caves" class="img-fluid w-100 showcaption-false" style="width: 1200px; height: 900px;" width="1200" height="900" loading="lazy" />
 </picture>Lam Khlong Ngu National Park chief Satit Pinkul on Wednesday (January 15) announced the openings for Tham Sao Hin (Stone Pillar Cave) and Tham Nok Nang-aen (Swallow Cave). 
Both are within the park in Kanchanaburi’s Thong Pha Phum district.

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 <img src="https://media.nationthailand.com/uploads/images/2020/01/15/5(8965).jpg?x-image-process=style/lg-webp" alt="Prime chance to see thrilling Kanchanaburi caves" class="img-fluid w-100 showcaption-false" style="width: 1080px; height: 809px;" width="1080" height="809" loading="lazy" />
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Advance registration for individual visitors up to groups of 10 is being accepted from February 3-7, daily from 1-3pm.

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 <img src="https://media.nationthailand.com/uploads/images/2020/01/15/4(10184).jpg?x-image-process=style/lg-webp" alt="Prime chance to see thrilling Kanchanaburi caves" class="img-fluid w-100 showcaption-false" style="width: 720px; height: 960px;" width="720" height="960" loading="lazy" />
 </picture>Visitors should be 15 to 60 years old and able to swim, since some areas of the caves are semi-submerged. They should be healthy, with no congenital disease or respiratory or blood-pressure issues.

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 <img src="https://media.nationthailand.com/uploads/images/2020/01/15/10(2046).jpg?x-image-process=style/lg-webp" alt="Prime chance to see thrilling Kanchanaburi caves" class="img-fluid w-100 showcaption-false" style="width: 1080px; height: 809px;" width="1080" height="809" loading="lazy" />
 </picture>Satit said this is the safest time of year to see the caves – Tham Sao Hin with stalagmites exceeding 62 metres in height and Tham Nok Nang-aen with its gorgeous subterranean vistas and thousands of nesting birds.

Prime chance to see thrilling Kanchanaburi caves

Two scenic caves in Kanchanaburi – one with colossal stalagmites – will be open to visitors from February 29 to May 4, but you need to register in advance by phone and be able to swim.