The said lake covers an area of approximately 2,400 sq.km. and is located to the east of the township of Qom. This lake is reputedly known by the names of Saveh, Qom and Shahi Lake. The length and width of the same is about 80 km. and 30 km. respectively.
Due to rainfall and additional water from melting snows, the volume extent of the water of the lake increases, and floods the land surrounding the rush brakes and salt marshes. Bringing into presence a large lake to the length of 80 km. known as the Hozeh Soltan lake or Salt Lake. Whereas, there is a natural decrease in capacity when climatic conditions differ.
Various rivers flow into this lake, after generally crossing the salt marshes of the surrounding regions.