Well it is a little known small series of waterfalls in the moutains on the way to the PNOC Geothermal generating plant in Valencia. Recently upgraded with stone lined natural swimming pools, and a nipa pavilion, it is a small out of the way … Many come just to bath in these waters for medicinal reasons. Bamboo tubes protrude from the rocks in certain spots, delivering the healing mineral waters to bathers. Further up the road lies the swimming area and water falls. …

The rest is here:
Dumaguete Philippines: Pulang Bato