Belihul Oya

Walawe
Downstream view of the river, from the Udawalawe Dam.
Native name	වලවේ ගඟ
Country	Sri Lanka
Regions	Padalangala, Mamadala, Nakulugamuwa, Uswewa, Angunakolapelessa, Tunkama, Ridiyagama
Basin features
Main source	Horton Plains National Park
River mouth	Ambalantota, Indian Ocean
Physical characteristics
Length	38.7 km (24.0 mi)

The Walawe (Sinhalese: වලවේ ගඟ) is one of the main rivers in Sri Lanka which initiates from Adams Peak. It meets the Indian Ocean at the coastal town of Ambalantota.