The sprawling 162 square kilometre reservoir of Cheow Lan Lake is a man-made lake within the sanctuary of Khao Sok’s most popular Khao Sok National Park, whose construction dates back to 1982. Today, it is one of the biggest attractions of Khao Sok’s favoured national park, blessed with breathtaking scenery and boundless serenity. Hop aboard a traditional longtail boat and set sail across the unruffled waters, treating your eyes to all the beauty that’s around you.