Khao Sok

The South’s most popular nature reserve, Khao Sok National Park is home to 738-sq-km of virgin lowland jungle, towering limestone karsts, waterfalls, caves and the dazzling man-made Cheow Lan Lake. Also known as Ratchaprapha, the lake was formed in the 1980s by one dam and countless vertical limestone castles sculpted by nature's hand. Due to its size, the park houses a number of rare species, including tigers, gibbons, hornbill birds, a variety of orchids and the giant parasitic Rafflesia flower. The park is also known as a top destination for watersports, caving and trekking.