A database is maintained for the caves of Thailand using Speleobase
The cave locations and basic data can be downloaded in a Google Earth data file here: Cave KMZ
Please note that the majority of the co-ordinates have not been checked and have not been obtained with GPS, so may be inaccurate by several hundred metres.
This data file was updated in November 2021 and contains 5,031 cave locations
The cave survey centre-line data can be downloaded in a Google Earth data file here: Survey KMZ
This data file was updated in January 2021 and contains 235 km of cave centre-line data.