On our halfway through to the Underground River our tour guide directed our attention to a mountain in the middle of the rice field and asked us if we want to visit the place. It's the Ugong Rock - named "ugong" or "sound" as the rock creates sound when tapped.

Later, in the afternoon following the Underground River tour our group decided to stop by Ugong Rock. The cave is a eco-tourism project by a Non-Governmental Organization that helps locals to preserve the place and make a living as a tourist guide.

RELATED LINKS: