Location details
Than Mayom Waterfall, Koh Chang | Trat
Than Mayom Waterfall is located within the Mu Ko Chang National Park, in the Koh Chang Subdistrict, Koh Chang District, Trat Province. It is a medium-sized waterfall of great historical and natural significance to Koh Chang.
General Information
• Characteristics: A medium-sized, four-tiered waterfall, formed by a stream flowing through channels in black granite rock, set amidst a lush, shaded tropical rainforest. The third tier is considered the most beautiful.
• Historical Significance: This site is considered a source of sacred water for Koh Chang. In the past, King Chulalongkorn (Rama V) visited the waterfall nine times; King Vajiravudh (Rama VI) and King Prajadhipok (Rama VII) also visited. To this day, the royal monograms of these monarchs remain carved into the granite cliff face.
• Opening Hours: Open daily from 08:00 to 16:30.
• Entrance Fees (National Park Admission Rates)
• Thai Nationals: Adults 40 THB, Children 20 THB
• Foreign Nationals: Adults 200 THB, Children 100 THB
(Note: National Park entrance ticket) (Can be visited on the same day as Khlong Phlu Waterfall.)
Activities and Highlights at Than Mayom Waterfall
• Nature Walks: The path to the first tier of the waterfall is a short walk—approximately 500 meters (about 5–10 minutes) from the national park ranger station—leading through shaded orchards and evergreen forest.
• Swimming: Natural pools and basins are available for swimming at certain tiers. (Please check water levels and safety conditions with park staff, especially during the rainy season.)
• Nature Trails and Hiking: Longer hiking trails are available (requiring a park guide), including routes that follow the paths taken by royal visitors, connecting to the western side of the island or leading to various historical sites.
Travel Tips
• Best Time to Visit: The waterfall is at its most beautiful with the highest water volume from July to December (covering the rainy season through the beginning of the cool season). During the dry season (February–April), water levels may be low.
• Attire and Gear: Wear sandals with secure straps or shoes with good traction, as the rocks around the waterfall can be slippery—especially after rainfall.
• Getting There: Located on the eastern side of Koh Chang, the site is easily accessible by rental car or private vehicle; a parking area is provided at the national park office.