Thep Prathan Waterfall is located within Pa Hin Ngam National Park, a natural forest area in the lower northeastern region of Thailand known for its high biodiversity. The waterfall lies along a nature trail that connects to other major attractions in the park, such as the famous sunflower fields (Dok Krathiam) and the Pa Hin Ngam rock terraces.From a geological perspective, the area is characterized by sandstone formations that were created from the accumulation of sand and mineral sediments millions of years ago. Over time, these layers were uplifted and gradually eroded by rainfall and natural water flow, forming distinctive stepped rock platforms or “rock terraces.” Unlike typical waterfalls with steep cliffs and vertical drops, Thep Prathan Waterfall features water that spreads horizontally across rock surfaces, flowing in thin sheets over multiple levels.The water flow is highly seasonal. During the rainy season (approximately June to October), runoff from upstream forest areas feeds into the main stream, significantly increasing water volume. The flow becomes stronger and continuous, forming thin cascading sheets that cover multiple rock layers. In contrast, during the dry season, water levels decrease considerably, exposing the underlying rock formations, and in some areas the waterfall may become very shallow or nearly dry.

The surrounding ecosystem consists mainly of dry dipterocarp and mixed deciduous forests. Common tree species include teak-like hardwoods, dipterocarp trees such as Shorea species, and various understory plants including ferns and mosses. These plants help retain moisture in the area and slow down water runoff, contributing to the formation of small natural pools along the rock surface. The habitat also supports small wildlife such as forest birds, insects, and reptiles commonly found along forest streams.

In terms of landscape, the waterfall is notable for the smoothness of its rock surfaces and the wide dispersion of water flow. This creates a visual effect that is quite different from traditional waterfalls. Visitors can observe water flowing in thin layers across stepped rock formations, producing a dynamic and layered visual texture. During early morning or late afternoon, sunlight reflecting off the water and rocks enhances depth, contrast, and overall scenic beauty. From a tourism perspective, Thep Prathan Waterfall serves as a rest point for visitors traveling through the national park. It is a popular stop for nature walks, photography, and relaxation on the shaded rock terraces. However, certain areas can become slippery due to algae growth, especially during the rainy season, so caution is required when walking on the rocks.

Regarding conservation, the area is managed by national park authorities who enforce strict environmental protection measures. These include prohibiting littering, minimizing disturbance to wildlife, and regulating visitor activities to preserve the natural ecosystem. These efforts help maintain the site’s ecological integrity and long-term sustainability.In summary, Thep Prathan Waterfall is not only a natural tourist attraction but also an example of a unique rock-terrace ecosystem shaped by long-term geological processes. Combined with its rich forest environment, it holds significant value for landscape appreciation, ecological study, and sustainable nature-based tourism.

---

How to Get There

• By car: From Bangkok, take Highway 1 passing through Lam Sonthi, then turn onto Highway 2354 toward the national park. Follow the signs to the park; the route is clearly marked.

---

Travel Tips

• Visit during the rainy season for the best scenery

• Wear anti-slip shoes

• Walk carefully on mossy rock surfaces

• Bring a raincoat and essential items

• Do not litter and help preserve nature

---

Admission Fee:

• Thai visitors: Adults 40 THB, Children 20 THB

• Foreign visitors: Adults 200 THB, Children 100 THB (includes national park entrance fee)

Opening Hours:

Open daily from 08:00 AM – 05:00 PM