Ton Sai Waterfall is located in the Khlong Sok stream, featuring large, intricately arranged rocks. This causes the water to flow through, creating a creamy white foam that contrasts with the deep green of the surrounding moss and trees. Although it is a medium-sized waterfall, it is important as a primary water source for wildlife in the area and as a resting point for tourists seeking to experience the deep forest.

Ecosystem Richness:
Throughout the 11-kilometer trail from the park headquarters, tourists will pass through various types of forests, including bamboo forests, rainforests, and mixed deciduous forests. This area is a habitat for rare wildlife such as various bird species, small troops of wild monkeys, and some reptiles. Sunlight filtering through the dense canopy to Ton Sai Waterfall creates a serene and powerful atmosphere.

Streams and Waterfalls:
Ton Sai Waterfall originates from the Khlong Sok stream, an important water source for the area. The clear water allows you to see small fish and other aquatic life. During the dry season, the water flows strongly in the rainy season, creating beauty with the sound of flowing waterfalls along the entire route.

Tourist Activities:

• Hiking to observe rare plants and wildlife
• Photographing beautiful angles of the Ton Sai Waterfall tiers and the row of boulders
• Relaxing in the forest, listening to the sounds of nature and the waterfall
• Continuing the trail to Ton Kloi Waterfall for those who enjoy long-distance adventures

Forest Resting Point:
Ton Sai Waterfall is a crucial midpoint for tourists seeking peace and quiet, free from noise. Only the sound of flowing water and wildlife provide the soundtrack.

Ecological Significance:
The area surrounding Ton Sai Waterfall plays an important role in maintaining the balance of the ecosystem. It serves as both a water source and a food source for many types of wildlife. It is also a nature trail suitable for learning about ecosystems and conservation.

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How to Get There

• On Foot Only: Start from the Khao Sok National Park headquarters (Khao Sok Mountain side, Phanom District) along the nature trail, a distance of 11 km.

• Recommendation: A local officer or guide is recommended due to the complexity of the trail and the several hours required for the hike.

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Travel Tips

• Start the hike no later than 09:00 AM to return to the park headquarters before dark (6–7 hours round trip).

• Wear leech socks and prepare insect repellent, especially during the rainy season.

• Prepare a lunch and high-energy snacks, along with 1.5–2 liters of drinking water per person.

• Check the weather forecast before traveling. The water in the Khlong Sok stream can flood quickly.

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Admission Fee:

• Included in the Khao Sok National Park entrance fee (Thai citizens: Adults 40 baht / Children 20 baht)

Opening Hours:

• 08:00 AM – 4:30 PM (This is the time that officers allow entry and exit from the nature study area)