Among the rivers that flow through Viqueque and into the Timor Sea are: Nunuc, Tuco, Cuha, Bularan, Benaro, Beaco and Weburak in the administrative post Viqueque; Lugassa on the border with Uato -Lari; Saqueto, Bebui, Borouai and Oiqui in the Uato-Lari administrative post; and Molaiuai and Uaidori in the Uatucarbau administrative post.