Keeyow Lake (Persian: دریاچه کیو, Lurish: سراو کیاو) is a natural lake in the northwest of Khorramabad in Lorestan Province, Iran.

[1] The lake has a seven-hectare area and a depth of 3 to 7 meters.

There is an amusement park as well as other recreational facilities next to the lake.

[2] It is the only natural city lake in Iran and is a habitat for native and migratory birds and aquatic animals.

Subsequently, the municipal authorities completed it within a few years with extensive measures and standardized it in its current form.