Ulu Titi Basah

Ulu Titi Basah (; ) is the southernmost high peak of Thailand. This 1,533 m high peak is located on the Malaysia-Thailand border between Betong District of Yala Province and Hulu Perak in Perak State.
Geography.
Ulu Titi Basah is the highest summit of the Sankalakhiri Range (), the northern section of the Titiwangsa Mountains, a sub-range of the Tenasserim Hills.