Na Muang 1 Waterfall is situated 10 km south from Nathon at Ban Thurian. The waterfall is a popular tourist attraction on Ko Samui.
The Waterfall can be reached by vehicle,It is 18 metres high.
The waterfall is rated as one of the most beautiful on Koh Samui island.
Na Muang 1 Waterfall is most spectacular in December or January at the end of the rainy season, when they swell with rainwater
I was there middle November just before the rainy season started, too bad.