This wetland is located in the extremity of the Kohkiluyeh township, and is about 8 hectares in area. Around this region waterfowls such as geese, ducks and gulls can be observed.

Based on the historical writings, this area was called Belad Shapour in the past and was founded by Shapour I, the son of Ardeshir Sasanid I.

The construction of these types of castles are related to the sun worshipping and angel fertility beliefs.

This relic is located on the right side of the Dehdasht - Behbahan Road, and to the left of the Kheir Abad River and is related to the Sassanide era.