Khao Sok National Park is in Surat Thani Province, Thailand. Its area is 739 km², and it includes the 165 km² Cheow Lan Lake contained by the Ratchaprapha Dam. The park is the largest area of virgin forest in southern Thailand and is a remnant of rain forest which is older and more diverse than the Amazon rain forest

Opening time : 7.00 AM – 7.00 PM ( Everyday )