Accommodation on Chiaw Lan Lake, which is part of the Khao Sok National Park (fig.), is typically on raft houses.

These ones, named Ton Toei/Tohn Teui (โตนเตย) and tucked away in a quiet bay of this huge reservoir, double as a Ranger Station referred to as Khlong Pae Kho So 4 (คลองแปะ ขส. ๔).