About Namtok Huai Luang
Namtok Huai Luang, also known as Namtok Bak Teo, is a large waterfall inside Phu Chong Na Yoi National Park in Det Udom District, Ubon Ratchathani Province, northeastern Thailand. It is notable for its high cliff drop of about 45 meters into a deep emerald pool surrounded by dense forest. The waterfall is one of the most visited natural attractions in the province and is most impressive during the rainy season.
Visitors guide
Visitors can expect a forested national park setting with a steep stairway leading down to a wide, cliff-framed waterfall and a large natural pool at its base. The area includes viewpoints above the falls, rocky pools suitable for wading and swimming when water conditions permit, shaded forest trails, and basic park facilities. The surroundings are dense mixed deciduous and evergreen forest of the Phanom Dong Rak range.
Key highlights
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45-meter high cascade dropping into a large emerald pool
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Swimming and wading area at the base of the falls
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Viewpoints overlooking the waterfall and forest valley
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Located within Phu Chong Na Yoi National Park's protected forest
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Seasonal high water flow during rainy season
History of Namtok Huai Luang
Located within Phu Chong Na Yoi National Park, established on 1 June 1987 as Thailand's 53rd national park to protect forests of the Phanom Dong Rak mountain range along the Thailand-Laos-Cambodia border