Than Mayom Waterfall is a four-tiered cascade located on the eastern side of Koh Chang within the jurisdiction of Mu Ko Chang National Park. The surrounding geography consists of steep mountain ranges covered in dense tropical rainforest, which serves as a massive natural water reservoir. The waterfall originates from several streams merging and flowing through granite crevices eroded over time, forming an elegant cliffside cascade. The deep hues of the granite contrast sharply with the crystal-clear water flowing into deep emerald-green pools, impressing visitors from the very first moment they feel the cool mist dispersing in the air.

The profound Historical Significance of Thailand is the most distinctive feature of Than Mayom Waterfall. In the past, King Chulalongkorn (Rama V) visited Koh Chang twelve times, and Than Mayom was a place where he particularly enjoyed relaxing and dining by the stream. Consequently, the royal monograms were clearly inscribed on the stone cliffs of the 1st and 3rd tiers. Furthermore, in subsequent reigns, King Rama VI and King Rama VII followed their royal father's footsteps to this location and left their inscriptions nearby. This makes Than Mayom Waterfall not just a tourist attraction but a Living Archive in Stone, documenting the century-long bond between the Monarchy and the people of Koh Chang and Trat.

In terms of Tropical Rainforest Ecosystems and Biology, the area surrounding Than Mayom is a biodiversity hotspot. Along the nature trails, tourists will encounter "signature flora," such as giant Yang Na trees (Dipterocarpus alatus) with vast canopies covering the sky, as well as epiphytes like rare wild orchids and Bird's Nest Ferns clinging to rocky crevices. The waterfall streams also serve as a habitat for numerous Mahseer barb swimming freely in the transparent pools. Additionally, it is a vital birdwatching spot, particularly for the White-crowned Hornbill and various colorful forest birds that come out to feed during dawn and dusk. The sounds of the forest here act like natural music, providing deep mental relaxation and healing.

For Photographers and Artists, Than Mayom Waterfall offers challenges with complex light and shadows under the thick forest canopy. The rhythm of the water hitting the granite creates a "Silk Effect" (misty white foam) when using long-exposure techniques, resulting in images that are both delicate and powerful. The royal inscriptions on the cliffs serve as an excellent focal point for historical photography, reflecting the sanctity and aura of the site. Meanwhile, painters often spend time at the 3rd tier, which offers more privacy and tranquility, to sketch the grandeur of the surrounding stone cliffs.

The true meaning of visiting Than Mayom Waterfall is to connect with the past and pure nature. Trekking through each tier is a test of will and physical strength, especially the 3rd and 4th tiers, which require navigating through relatively raw and steep forest paths. However, the reward is absolute privacy and a view of the waterfall undisturbed by crowds. This destination perfectly meets the needs of adventurous hikers, historians, and families wishing to teach their children to love and cherish natural resources and national heritage.

• By Private Car: From Ao Sapparot Ferry Pier, turn left and drive for about 7-8 kilometers. The park headquarters and waterfall entrance will be on your right.

• By Local Transport: Take a songthaew from the pier. Inform the driver you are going to Than Mayom Waterfall. The fare is approximately 50-60 THB.

• Best Visiting Season: November to February offers the best water volume and clarity.

• Essential Equipment: Wear shoes with good grip as the rocks near the falls can be very slippery.

• Photography: Morning hours (09:00 - 11:00) provide the best light and fewer crowds.

• Rules: No single-use plastics or alcohol are allowed in the park area.

• Safety: Be cautious of water levels during heavy rain and do not climb steep cliffs without supervision.

Admission Fee:

• Local visitors: Adult 40 THB, Child 20 THB

• Foreign visitors: Adult 200 THB, Child 100 THB

• Updated 2026: Tickets can be used at other park spots on Koh Chang within the same day.

Opening Hours:

• Open Daily: 08:00 – 16:30