Na Muang Waterfall Koh Samui
Na Muang Waterfall, meaning "purple water" in Thai after the coloring of the rocks beneath it, is Koh Samui's best-known pair of jungle waterfalls, tucked into the island's mountainous interior between Nathon and Lamai. It's one of the few attractions on Koh Samui where you can swim in a natural pool surrounded by rainforest.
The site is actually two waterfalls. Na Muang 1 is the larger, more accessible cascade with an easy walk from the parking area to a natural swimming pool at its base — ideal for families. Na Muang 2, the island's tallest waterfall at around 80 meters, requires a steeper 20–30 minute hike through the jungle but rewards visitors with a quieter, more dramatic setting.
Water flow is strongest during and just after the rainy season; during the dry months the falls can slow to a trickle.
Things to Do near Na Muang Waterfall – Tours & Tickets
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Na Muang Waterfall Opening Hours
- Open Daily: approximately 9:00 AM – 6:00 PM (accessible during daylight hours generally)
- Entrance Fee: Free for the main waterfall trails (some sources report a small ฿20–50 charge that has been phased out in places — confirm locally, as fees can change). Parking typically costs around ฿20–30.
- Best Time to Visit: Morning, between roughly 8:30–11:00 AM, to avoid tour groups and enjoy cooler temperatures
How to Get to Na Muang Waterfall
From Samui International Airport
Na Muang Waterfall is roughly a 30–40 minute drive, located in the central-southern part of the island.
From Elsewhere on Koh Samui
Scooter or Rental Car The most flexible option — the waterfall sits just off the main cross-island road, with a large parking area at the base.
Taxi or Private Tour A convenient choice if you'd rather not navigate independently; many day tours combine Na Muang with Wat Plai Laem, the Big Buddha, and Lad Koh Viewpoint.
Public Transport Limited — songthaews don't run directly to the falls, so a scooter, taxi, or organized tour is recommended.
Best Time to Visit Na Muang Waterfall
The waterfalls flow strongest during and shortly after the rainy season (roughly October–December), offering the most dramatic scenery. For comfortable hiking conditions and a still-swimmable pool, most visitors prefer the dry season (December–April), arriving early to avoid crowds and the day's peak heat.
Na Muang Waterfall Highlights
- Na Muang 1 – An easily accessible waterfall with a natural swimming pool, ideal for families.
- Na Muang 2 – Koh Samui's tallest waterfall at around 80 meters, reached via a steeper jungle hike.
- Natural Swimming Pool – One of the few spots on the island to swim in fresh jungle water.
- Jungle Trekking – A rewarding short hike through dense rainforest between the two falls.
- Nearby Attractions – Wat Khunaram's mummified monk and Namuang Safari Park are both close by.
- Photography – Purple-hued rock formations give the falls a distinctive look.
Na Muang Waterfall is one of Koh Samui's best natural attractions away from the beach, offering an easy, free escape into the island's jungle interior.
Need to know
Frequently Asked Questions
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About Na Muang Waterfall
Visit Na Muang Waterfall in Koh Samui, home to two jungle cascades and a natural swimming pool. Check hours, entrance fees, and how to reach it.
All Koh Samui guidesThe main trails are generally free or carry only a small parking fee; charges can vary by season and location within the site, so it's worth confirming locally.