Discover Lamai’s Waterfalls: Na Muang & Hin Lat Trail

Lamai, a beach town on Koh Samui’s southeastern coast, is more than just a scenic seaside escape; it is a strategic launchpad for nature-based tourism, particularly waterfall exploration. Thanks to its central location along the island’s ring road, Lamai provides fast access to two of Koh Samui’s most iconic cascades: Na Muang Waterfalls and Hin Lat Waterfall. These sites combine jungle trails, refreshing plunge pools, and cultural landmarks like Wat Namtok Hin Lat, making Lamai perfect for refreshing escapes. Three standout waterfalls await within easy reach:

Na Muang Waterfalls (Na Muang 1 & 2): Twin Cascades in the Jungle 

Na Muang Waterfalls consist of two separate cascades – Na Muang 1 and Na Muang 2 – both offering unique experiences.

• Opening Hours: 9 am to 5 pm daily 
• Location: About 12 km from Lamai via Route 4169.
• Na Muang 1 (Purple Waterfall): This is the more accessible of the two and a great choice for families or those wanting a quick and scenic dip in a jungle setting.
  • Height: 18 meters
  • Feature: Large plunge pool suitable for swimming
  • Accessibility: 5-minute paved trail
  • Free Entry
  • Facilities: Toilets, snack stalls, paid parking (20 THB)
• Na Muang 2: Na Muang 2 offers more of a hiking adventure, best suited for those ready for a light challenge and scenic rewards.
  • Height: 80 meters
  • Trail Length: 2.7 km round-trip
  • Elevation Gain: ~260 meters
  • Entry Fee: 50 THB + parking (30/60 THB)
  • Notable: Steep sections with ropes, rocky pools, and lookout views

Hin Lat Waterfall

Less touristy than Na Muang, Hin Lat Waterfall offers a peaceful hiking experience through dense rainforest, with the added charm of a hidden temple mid-trail.

• Trailhead: Near Wat Namtok Hin Lat (free entry)
• Trail Specs: ~3 km round-trip, 30–45 min each way
• Main Fall: 30-meter cascade amid rainforest canopy
• Highlights: Fish-filled pools, shaded trail, temple mid-point
• Tip: No food stalls, so bring your own supplies

Together, these waterfalls offer a rich mix of easy access, moderate hikes, swimming opportunities, and cultural charm, making Lamai a smart base for travellers seeking both beach time and jungle exploration.

How to Get There

Lamai to Na Muang 

• Route: Approximately 12 km inland. Just follow the ring road past Lamai towards Nathon, where clear signs point to Na Muang, and you will soon arrive at a big parking lot.

Link to map: https://maps.app.goo.gl/WF3EHi5EmKtENUfh6 

Lamai to Hin Lat

• Route: Also accessed via the ring road. Turn toward a village near Wat Namtok Hin Lat. Signage directs you through a lush neighbourhood, leading to a temple and parking.
  
  
• Trailhead & Difficulty: From the trailhead at the temple, the hike is roughly 2.6 km round-trip, typically taking 30–40 minutes each way. The terrain is moderately challenging with a mix of dirt, rock, and slight uphill sections.

Link to map: https://maps.app.goo.gl/G2MnGYvzkYo8N5ZT8 

Note: Na Muang 2 charges a 50 THB entrance fee, plus parking of 30 baht for scooters and 60 baht for cars if separate from 1.

Timing & Seasonal Tips

Best Time for Water Flow

• Na Muang Waterfalls deliver their most dramatic displays during and immediately after the rainy season (roughly October–January) when the jungle rains swell the rivers, creating powerful cascades, though paths get slippery. Families, though, still manage to enjoy Na Muang 1 during this period.
  
  
• Hin Lat also shows its full beauty during the rainy months but remains accessible year-round. Dry-season flows still offer a pleasant dip.

Dry vs. Rainy Season

• The dry season (December–April) is sunny and ideal for clear trails, stable hiking, and predictable beach weather, averaging highs of 27–30 °C.
  
  
• The rainy/monsoon season (June–November) brings lush scenery and fewer crowds, but trails can be muddy and rainstorms heavy. The strongest waterfall flows occur at the tail end of the monsoon (October–November).

Tip: A good balance is visiting during the shoulder dry seasons, when water is decent, trails are stable, and crowds are not overwhelming.

When to Visit Each Day

• Both Na Muang and Hin Lat are best visited early morning or late afternoon. Mornings offer softer light and still waters; afternoons mean cooler temperatures
  
  
• Na Muang 1 starts to see local visitors mid-to-late morning, so arriving right after opening is often ideal.

Tip: For smaller crowds, visit on weekdays rather than on weekends, especially at Na Muang, where space opens up earlier.

Quick Seasonal Snapshot

Pro Visiting Tips

• Go early or late to avoid midday heat and peak foot traffic.
  
  
• Carry enough drinking water, snacks, and quick-dry towels. Post-swim, the sun dries clothes faster!
  
  
• After heavy rains, wait a few hours to allow water to clear and make footing safer.

Preparing for the Trip 

What to Bring

• Water & Hydration Pack: Bring at least 1.5 L per person. Tropical heat and humidity quickly dehydrate, meaning that you would want multiple refills during hikes.
  
  
• Proper Footwear: Sturdy hiking shoes or grippy sandals are essential. Trails feature slippery roots and wet stone, particularly after rain.
  
  
• Towel & Change of Clothes: A quick-dry towel and dry clothes are a game-changer post-swim since the sunlight and breeze help you dry fast.
  
  
• Sun & Insect Protection: Bring sunscreen and a hat as sunlight penetrates even shaded trails. Mosquito repellent is key, especially near pools.
  
  
• Backpack: A small waterproof pack with a dry bag section helps protect electronics like your phone and powerbank, as well as snacks.

Safety & Practical Tips

• Trail Caution: After heavy rain, trails can be muddy and slippery. Take your time and do not rush steep sections.
  
  
• Ropes & Railings: Na Muang 2 features ropes on steep terrain, so use them carefully, one at a time.
  
  
• Waste Management: Bring a small trash bag as some trails lack bins, especially Hin Lat. Remember to carry out everything you bring in.
  
  
• Wildlife Watch: Expect little fish in the pools of Hin Lat; friendly, but they may nibble toes. Spider webs and insects are common.

Budget-Friendly Tips

• Scooter Rental: Zonally available in Lamai for around 200–300 THB/day. Share if travelling in pairs for savings.
  
  
• Snacks at Base: Buy bottled water and fruit at local markets before heading to Na Muang. Hillside shops are more expensive and limited.

Conclusion

Whether you are plunging into the sapphire pools of Na Muang, hiking through the shaded paths of Hin Lat’s rainforest, or pausing for a moment of stillness in a jungle temple, each experience leaves and represents the harmony of natural adventure, cultural depth, and local community spirit that defines Koh Samui beyond its beaches. Among the areas closest to the waterfalls in the south are Lamai Beach, so consider staying at The Lamai Samui for easy access. Do also check out our other blog on 10 Stunning Reasons to Visit Lamai Beach on Your Koh Samui Vacation to find out how you can enrich your stay beyond just exploring the waterfalls.