The only way of continuous communication Gorgan bay By the Caspian Sea waters Ashooradeh Island– Bandar-Torkaman It is called the entrance of the chapel in the northeast of the Gulf. The Treasury Channel is the second route to the Gulf's non-permanent contact with the sea, which was built in the past to promote cruise ship development, and has been completely blocked in recent years by decreasing sea levels and increasing sedimentation regime in the canal.