 The lake's maximum length is 29 km, breadth about 18 km, and the deepest point is 13.2 m. It is the second largest lake in Kyrgyzstan after Issyk Kul Lake, and the largest fresh water lake in Kyrgyzstan.High altitude Song Köl belongs to Naryn River basin.The lake sits in the central part of Song Köl Valley surrounded by Songköl Too ridge from the north, and Borbor Alabas and Moldo Too mountains from the south.