Phu Langka National Park

Phu Langka National Park is a protected forested mountain park spanning Ban Phaeng District in Nakhon Phanom and Bueng Khong Long District in Bueng Kan, northeastern Thailand. Established in 2009 as Thailand's 133rd national park, it covers about 50 sq km of the Phu Langka range. It is notable for sandstone peaks, viewpoints, seasonal waterfalls such as Tat Kham and Tat Pho, caves, and diverse dry evergreen and mixed deciduous forest.

Visitors can expect a forested mountain landscape with hiking trails leading to sandstone cliffs, viewpoints over the Mekong lowlands, seasonal waterfalls, small caves and rock formations. The park has a visitor centre, marked nature trails, viewpoints like Lan Thong Pha, and camping areas. Facilities are basic and trails involve uneven terrain and steps. The environment is quiet and natural, suitable for sightseeing, photography and nature study.