Preecha Suksan Waterfall, situated within the Dong Chomphu Phan and Dong Kachoe National Reserved Forest in the heart of the Phu Phan Mountains, Sakon Nakhon, is a remarkable geological wonder. It is characterized as a "Sheet Flow Waterfall," a rare and stunning natural formation where water flows across an extensive, inclined sandstone plateau rather than dropping from a vertical height_. This massive sandstone bed stretches over 100 meters in length and spans dozens of meters in width_. As the water originates from the higher altitudes of the Phu Phan range, it spreads thinly and evenly across the rock surface, creating a shimmering veil of water. Over centuries, the continuous flow has eroded the sandstone, sculpting smooth, curvilinear grooves that serve as "natural water slides," allowing visitors to safely glide along the rock with the current.

The surrounding ecosystem is a vibrant tapestry of deciduous dipterocarp and dry evergreen forests. Dominant tree species such as Dipterocarpus alatus, Shorea robusta, and Shorea siamensis. intricatus provide a dense canopy, keeping the area cool and humid. The rocks near the water are often carpeted with emerald-green mosses and various fern species that thrive in the constant mist. During the peak monsoon season (June to October), the waterfall transforms into a powerful display of nature, with frothy white currents contrasting against the dark, wet sandstone. As the season transitions into the early cool months, the water becomes crystal clear, revealing the intricate textures of the rock bed beneath. Beyond its recreational appeal, Preecha Suksan serves as an essential ecological classroom. Short nature trails surrounding the falls offer glimpses into the region's biodiversity, from rare insects and vibrant butterflies to endemic birds that populate the forest. This destination is a perfect harmony of geological artistry, adventure, and the serene, untouched wilderness of Northeastern Thailand.

• From Sakon Nakhon city, take Highway 2106 (the route to Na Kae District) and drive straight for about 20-25 kilometers. There will be a sign indicating the entrance to Preecha Suksant Waterfall. Turn in and follow the paved and concrete road until you reach the parking area.

• The best time to visit is August to November, as the water level is just right.

• Wear sturdy shoes with good grip, as some rocky areas may be slippery due to moss.

• If you bring your own food, please help keep the area clean and take your trash with you.

Admission Fees:

• There is no entrance fee (free).

Opening Hours:

• Open Daily: 08:00 AM – 04:00 PM (Note: It is recommended to arrive before 03:00 PM to ensure you have enough time to enjoy the falls and safely return before sunset, as the forest trails and rock surfaces can be hazardous in low light.)