Phu Wua Wildlife Sanctuary

Phu Wua Wildlife Sanctuary is a protected forest area on a sandstone plateau in Bung Khla District, Bueng Kan Province, northeastern Thailand. Covering about 186 square kilometers, it was established in 1975 to conserve dry evergreen and deciduous forests and wildlife. The sanctuary is notable for its flat-topped mountains, seasonal waterfalls such as Chet Si and Tham Fun, viewpoints over the Mekong River, and diverse flora and fauna, offering nature-based tourism and hiking.

Visitors can expect a forested sandstone plateau with flat-topped hills, open rock plains, and seasonal streams. The sanctuary contains marked nature trails leading to waterfalls, viewpoints, and rock formations. Areas open to visitors include waterfall sites, forest trails, and scenic viewpoints overlooking the Mekong River lowlands. The environment is natural and relatively undeveloped, with ranger stations and basic visitor facilities. Wildlife sightings, birdwatching, and photography are possible along trails.

Established on 2 May 1975 as a wildlife sanctuary under the Department of National Parks, Wildlife and Plant Conservation to protect the Phu Wua mountain forest ecosystem, watershed and wildlife in Bueng Kan Province. The area covers approximately 186.5 square kilometers across Bung Khla, Bueng Khong Long and Seka districts.

The sanctuary is part of the Isan region's natural heritage and is valued locally for watershed protection, forest conservation and nature-based recreation. Seasonal waterfalls and viewpoints are traditional excursion sites for local communities.