martin ellis's blog

Two New Guidebooks - The Caves of Phetchabun and The Caves of Phuket & Phang Nga

Volumes 7 and 8 of the Caves of Thailand guidebook series have been published. Volume 7 covers Phetchabun province in the lower north region while Volume 8 includes the caves found in the tourist destinations of Phuket and Phang Nga in southern Thailand.

The Caves of Phetchabun has 126 caves and other sites of speleological interest. These caves include the third longest cave in Thailnd, the 10.4 km long Tham Yai Nam Nao and the 133 m deep Tham Phaya Naak, both of which are in the Nam Nao National Park.

Change of Map Datums – The Switch to WGS 1984

It was inevitable. At some point I was going to have to change to the WGS 1984 map datum from the Indian 1954 (Thailand-Vietnam) datum that has been used by the Thailand Caves Database. This procress has now been started, but it will be a long job and for the next couple of years there will be a mix of datums used on this site.

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