Khao Sok National Park (Things to do - Places to Visit) - KHAO SOK NATIONAL PARK Top Tourist Placesbr Park in Thailandbr Khao Sok National Park is a nature reserve in southern Thailand containing dense virgin jungle, towerlike limestone karst formations, and the man-made Cheow Lan Lake. br br It’s home to rare species such as the giant parasitic Rafflesia flower, hornbill birds, gibbons, and tigers. The park can be explored by elephant-back safari, hiking trail, and raft, canoe or kayak via the Sok river.