Khao Yai National Park is Thailand's first national park, a UNESCO-linked wildlife and waterfall escape that needs better planning than a simple day trip.
Koh Chang is Thailand's second-largest island, combining rainforest mountains, west-coast beaches, waterfalls, snorkelling and a practical ferry route from Trat.
Khao Sok combines rainforest, limestone cliffs, Cheow Lan Lake and floating raft houses, making it one of Southern Thailand's strongest alternatives to a standard island trip.
Thailand’s 133 national parks protect some of the most biodiverse ecosystems in Southeast Asia, from the monsoon rainforests of the south to the cool...