Some believe that the amazing lowland jungle dates back 160 million years, making it one of the world's oldest rainforests and Khao Sok National Park, being one of the most popular national parks is a definite must see when exploring the exotic Thailand. As a matter of fact, the park is a rainforest with great diversity of plants and wildlife featuring awesome spots such as Cheow Lan Lake, iconic limestone hills, waterfalls, raft houses spread over the lake, trails, caves and rivers. The national park is home to some lovely nature, so it’s definitely worth visiting for at least a few days to see as much of it as possible! There are a number of different tours and activities to enjoy in Khao Sok National Park – from spotting animals on a night safari to tubing down the River Sok.