Yaroy Waterfall is one of the most significant natural assets within Thale Ban National Park, Satun Province. It is nestled deep within the complex valleys of the Khao Chin mountain range, which serves as a natural border between Thailand and Malaysia. The waterfall's source originates from the pristine rainforest watersheds atop the Khao Chin peaks, cascading down through limestone and granite formations in a spectacular sequence of nine tiers. What distinguishes Yaroy from other waterfalls in the region is the exceptional integrity of its surrounding ecosystem. The area maintains high humidity throughout the year, fostering the growth of rare flora such as giant tree ferns, wild orchids, and vibrant green moss that carpets the rocks, creating a landscape reminiscent of a mythical forest.

Each of Yaroy's nine tiers offers unique physical characteristics. The national park has developed a well-maintained nature trail that runs parallel to the falls, allowing visitors to explore the area with relative ease. The second and fourth tiers are the most popular among tourists because they feature large, deep basins known locally as "Wang." The water in these pools is exceptionally clear, revealing the stony bed beneath, and often takes on a subtle emerald hue. Due to the dense canopy that prevents direct sunlight from reaching the forest floor, the water remains refreshingly cold year-round. Remarkably, Yaroy maintains a steady flow even during the dry season, making it a vital headwater for several streams that eventually feed into the Thale Ban lake and support the local agriculture in Khuan Don District.

Beyond its scenic beauty, the area surrounding Yaroy Waterfall serves as a critical habitat for diverse wildlife, particularly amphibians and forest birds. Visitors are often greeted by the resonant calls of the "Water Dog" or Kuhl's Creek Frog, the iconic symbol of Thale Ban National Park, echoing through the valley. Furthermore, it is a prime location for birdwatching, where lucky observers might spot various species of hornbills and other rare tropical birds. A visit to Yaroy Waterfall is therefore more than just a recreational outing; it is an immersive educational experience into the rich biodiversity of the Malay Peninsula transition zone, a rarity in today's world.

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How to Get There

• From Satun city center, take Highway 406 toward Khuan Don District. Turn left onto Highway 4184 (the road to Wang Prachan border). Continue for approximately 20 km; the entrance to Thale Ban National Park and Yaroy Waterfall will be on your right.

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Travel Tips

• Wear proper footwear such as trekking shoes or sandals with good grip, as trails can be slippery, especially during the rainy season

• Bring drinking water and light snacks since there are no shops inside the waterfall area

• Avoid swimming during heavy rain due to the risk of flash floods

• Visit in the morning or on weekdays for a quieter and more peaceful experience 

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Admission Fees:

• (Included with Thale Ban National Park entry)

• Thai Nationals: Adults 40 THB, Children 20 THB.

• Foreigners: Adults 200 THB, Children 100 THB.

Opening Hours:

• 08:30 – 16:00 (Open Daily)