Just north of Koh Lipe, Adang welcomes you with well-preserved coral reefs and breath-taking views of the Andaman Sea. Koh Adang is the second biggest island in Tarutao National Marine Park. Still, its landmass is only 6km long and 5km wide. The island offers few fascinating trails. The first is a 1 km long trail to the island’s highest point (690m) for a captivating view of Koh Lipe. The second is a 2.5 km trail through many viewpoints leading to a waterfall. Along Koh Adang’s west coast, you can find various types of tropical fish alongside giant clams and Christmas tree worms. The waters surrounding Koh Adang is one of the most popular diving spots in the area.