Its major tourist attractions are Dunhinda Falls, Diyaluma Falls, Rawana Falls, the Yala National Park (lying partly in the Southern and Eastern Provinces) and Gal Oya National Park (lying partly in the Eastern Province). The Gal Oya hills and the Central mountains are the main highlands. The Mahaweli and Menik rivers and the huge Senanayake Samudraya and Maduru Oya Reservoirs are the major waterways.