Khlong Saeng Wildlife Sanctuary Located in Tambon Takuk Nuea. Khiri Rat Nikhom District, Khao Phang Subdistrict, Kraison Subdistrict, Ban Ta Khun Subdistrict Surat Thani Province The terrain is a complex mountain range, height from 100 meters up, with the peak of Khao Wong, the highest peak of 1,272 meters, with a high slope as a limestone mountain.
 
Area covered by the flooded area of ​​Ratchaprapha Dam There is a stream of Nam Thom from the south along Khlong Saeng creek through the middle of the district to the northwest. north and west Take note of the boundary line of Surat Thani Province There are other peaks located in the north of the high area, descending respectively, including Khao Wong 1,272 meters high, Khao Yai 825 meters on the west, with Khao Charlie 864 meters high, the area on the southeastern side.
 
In the limestone mountain range, there are important high peaks such as Khao Na Nokook, 738 meters high, Khao Tham Chan 773 meters high and Khao Phang 785 meters high. Slopes to the southeast have wildlife resources divided into mammals such as white-handed gibbons, southern spectacled langurs, marmots, black squirrels and various flying squirrels, bulls, tapirs, tigers, leopards, panthers and wild elephants, etc.

Amphibians such as Chong Krong or Kong, Huai Toad, Toad, Muang Tai Cantilever, Sugar Swamp, Malay Basin and interesting reptiles in the area such as Tut Tu, barking elephants, Chakra turtles, water fish, etc.