Introduction Umphang, a district of Tak province, is locateed on the western border of Thailand and Myanmar. The area is very mountainous, and there is only a route entering and leaving from Maesot district. Eevery part of Umphang is a centre of ecotourism : for example, major water sources can be found here. It is also part of a World Heritage Site.The way of life of the Karen hilltribe people, who keep elephants as a means of transportation, can be seen in Umphang district. These people live close to nature. Consequently, they have helped in the establishing of the ecotourism business; for example, trekking, rafting, elephant ridding, nature watching and Tee Lor Sue waterfall biggest in Thailand, etc. As such, these activities help to make this area a potential for ecotourism.Umphang is...