Ngao Waterfall

Ngao Waterfall is a forested waterfall located inside Namtok Ngao National Park in Tambon Ngao, Mueang Ranong District, Ranong Province, southern Thailand. Situated about 13 kilometers south of Ranong town off Phetkasem Road, it is the park's namesake attraction. The waterfall cascades over multiple tiers through evergreen rainforest and flows year-round, with strongest flow in the rainy season. It is notable for its accessible nature trails, natural pools, and protected watershed forest.

Visitors can expect a short forest walk from the park headquarters to a multi-tiered waterfall set in dense evergreen rainforest. The waterfall flows over rock ledges into shallow pools surrounded by large trees and boulders. The area includes marked nature trails, viewing points, and picnic areas. Water volume is highest in the rainy season, while the dry season offers clearer pools and easier trail access. The setting is natural and quiet, within a protected national park environment.

Ngao Waterfall is the central feature of Namtok Ngao National Park, established on 3 June 1999. The park was created to protect the Ngao watershed and its evergreen forest in Ranong and Chumphon provinces. The waterfall has long been a local water source and recreational site before national park designation.