Flood Plains National Park (Sinhala: ජලගැලුම් නිම්න ජාතික වනෝද්යානය; Tamil: வெள்ளச் சமவெளிகள் தேசிய வனம்) is one of the four national parks set aside under the Mahaweli River development project in Sri Lanka. The park was created on 7 August 1984. The national park is situated along the Mahaweli flood plain and is considered a rich feeding ground for elephants. Flood Plains National Park is considered an elephant corridor for the elephants migrate between Wasgamuwa and Somawathiya national parks. The park is situated 222km north-east of Colombo.
