The main river systems - the Rewa, Navua, Sigatoka (Singatoka), and Ba (Mba) - all have their headwaters in the central mountain area.
Uhlaka oluyinhloko lwemigwaqo yamanzi - iRewa, i-Navua, i-Sigatoka (i-Singatoka) ne-Ba (i-Mba) - konke kunomsuka waso osendaweni yezintaba.