The Thi Lo Su Waterfall ( th, น้ำตกทีลอซู, ; , also spelt as Thee Lor Sue, The Lor Sue, Thee Lor Sue or Te-law-zue; lit: ''Black Waterfall'') is claimed to be the largest and highest

waterfall A waterfall is a point in a river or stream where water flows over a vertical drop or a series of steep drops. Waterfalls also occur where meltwater drops over the edge of a tabular iceberg or ice shelf. Waterfalls can be formed in several wa ...

Thailand Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, located at the centre of the Indochinese Peninsula, spanning , with a population of almost 70 million. The country is bo ...

. It stands high and nearly wide on the

Mae Klong River The Mae Klong (, , ), sometimes spelled Mae Khlong or Meklong, is a river in western Thailand. The river begins at the confluence of the Khwae Noi (Khwae Sai Yok) and the Khwae Yai River (Khwae Si Sawat) in Kanchanaburi, it passes Ratchaburi ...

, flowing down from

Huai Klotho The Huai River (), formerly romanized as the Hwai, is a major river in China. It is located about midway between the Yellow River and Yangtze, the two longest rivers and largest drainage basins in China, and like them runs from west to east. ...

into the

Umphang Wildlife Sanctuary Umphang Wildlife Sanctuary ( th, เขตรักษาพันธุ์สัตว์ป่าอุ้มผาง) is a wildlife sanctuary in Thailand site in the Umphang District of Tak Province, northwestern Thailand. It was announced as ...

Tak Province Tak ( th, ตาก, , Burmese: တာ့ခ် pronounced ak is one of Thailand's seventy-seven provinces (''changwat'') and lies in lower northern Thailand. Neighbouring provinces are (from north clockwise) Mae Hong Son, Chiang Mai, Lamphun, ...

in northwestern Thailand. The waterfall has apparently never been surveyed, so the figures given are approximate.Tee Lor Su
geocities.com Access to the waterfall campsite by private vehicles has been stopped. It is now only accessible via a cartel of pickups. Private vehicles have to be parked in Umphang.

References

Waterfalls of Thailand Geography of Tak province Dawna Range {{Thailand-geo-stub