The main tributaries of Svir proper are the Vazhinka (right), the Oyat (left), and the Pasha (left).[3] The main rivers in the basin of the Svir are the Suna (the longest in the Svir basin), the Shuya, the Vodla, and the Vytegra. The basin of the Svir also includes an enormous amount of freshwater lakes, the biggest of which, behind Lake Onega, are Lake Vodlozero, Lake Syamozero, Lake Gimolskoye, Lake Lizhmozero, and Lake Shotozero. The city of Petrozavodsk and the towns of Suoyarvi, Kondopoga, Medvezhyegorsk, Pudozh, Vytegra, Podporozhye, and Lodeynoye Pole, as well as a number of urban-type settlements, are located within the catchment area of the Svir.