About Khao Phra Wihan National Park
Khao Phra Wihan National Park is a protected area in Kantharalak District, Sisaket Province, northeastern Thailand, covering about 130 sq km of the Dangrek mountain range. Established on 20 March 1998 as Thailand's 83rd national park, it is known for its sandstone cliffs, forested plateau, seasonal waterfalls and ancient Khmer ruins. Its main visitor area is the Pha Mo E Daeng cliff viewpoint.
Visitors guide
Visitors can expect a forested sandstone plateau on the Dangrek escarpment with dramatic cliff viewpoints, especially Pha Mo E Daeng, offering wide views over forested lowlands. The park contains nature trails, seasonal waterfalls such as Namtok Phu La-o and Namtok Khun Si, ancient Khmer ruins including Don Tuan and Sathup Khu twin stupas, and bas-reliefs carved on the cliff. Facilities are basic and focused on nature sightseeing, photography and short walks.
Key highlights
- 01
Pha Mo E Daeng cliff viewpoint with panoramic views over the Dangrek escarpment
- 02
Sathup Khu twin sandstone stupas
- 03
Don Tuan Khmer ruins from the 10th-11th century
- 04
Seasonal waterfalls Namtok Phu La-o and Namtok Khun Si
- 05
Ancient bas-relief carvings on Pha Mo E Daeng cliff
- 06
Dry dipterocarp and evergreen forest with birdwatching opportunities
History of Khao Phra Wihan National Park
Established on 20 March 1998 as Thailand's 83rd national park, covering 130 sq km of the Dangrek Range. The park preserves archaeological remains from the Khmer period, including Don Tuan and Sathup Khu structures dated to the 10th-11th centuries, and protects the escarpment landscape along the Thai border highlands.
Culture & Context
The park contains Khmer-era stone ruins, stupas and cliff bas-reliefs that reflect the region's ancient cultural heritage. Pha Mo E Daeng and associated sites are visited for their historical architecture and traditional scenic appreciation.
Route
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