Na Muang Waterfalls, a majestic set of 2 cascades on Koh Samui, show that the island’s beauty is not limited to its beaches. Found about 12 km inland from of Nathon Bay, the Na Muang falls are reached by taking a walking path from the entrance to the park.
The first waterfall, Na Muang 1, flows down into a pretty natural pool that provides a cool escape from the heat. About 30 minutes' walk further uphill is the smaller yet equally inviting Na Muang 2.
- Ang Thong Adventure Tour
- Ko Tao & Ko Nang Yuan Snorkeling Tour
- Jungle Adventure
- Sea Kayaking at Ang Thong Marine Park
- Around the Island Tour
- Temples & City Tour
- Big Game Fishing Full-Day Tour
- 4-Wheel ATV Adventure
- Red Baron Junk Sailing Tour with Transfers
- Guided Photography Tour with Golden Pagoda & Big Buddha
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Namtok Na Muang, or ‘Purple Waterfalls’, are so named because of the striking purple shade of their rock faces. There are other waterfalls to visit on Koh Samui, but these are considered to be among the most scenic. The best time to visit is in the wetter months of September through November, when the waterfalls are in their full flowing glory.
Na Muang is a popular place for families to relax and swim. Many Samui tours include a refreshing stop at the Na Muang Waterfalls on their itinerary.

Highlights and features of Na Mueang Waterfalls
The Na Muang Waterfalls are set in lush jungle surrounds, easily accessible just off the main ring road (Route 4169), about halfway between Nathon and Lamai Beach. Visitors with a reasonable level of fitness will be able to reach the falls on foot. The paths leading to the falls can be steep or slippery in places so be sure to wear some sturdy footwear and take care when walking. Na Muang 1 is reached by a 100-metre walk from the parking lot, while Na Muang 2 is a further 100 metres away along a more challenging path.
Though access to the waterfalls is free there's plenty along the way to spend your money on, including several stalls selling snacks and souvenirs and offers of a guided tour of the area (but be wary of touts trying to convince you that a guide or entry fee is required). An entire day could be spent at the falls swimming, hiking, exploring and picnicking. It's a cool and peaceful alternative to the beach.
Na Muang Waterfalls
- Opening Hours: Daily from 9am to 5.30pm
- Location: 37/1 Thawi Rat Phakdi Rd, Na Mueang, Koh Samui, Surat Thani 84140, Thailand
- Tour Available: Full Day Samui Island Tour