Language: English with English, French and German summary
The first systematic speleological investigations in the Cambodian provinces of Stoeng Treng, Banteay Meanchey and Kampong Speu. Also describes 2 caves from a briefly visited new caving area in NE Battambang near the Thai border. Seventy-four new caves and one presumably old rock-art site (altogether 4.6 km of cave passages) are presented in detail. Includes an up-to-date article on cave bat conservation in Cambodia.