of the delta (see image). This type of delta forms naturally in the slow rivers which deliver a great deal of sediments and flow into a quiet sea. In the delta, 13.5 km from the mouth of the Zolotoy distributary lies Shalyga Island, which is 2.5 km long, with heights of 1 to 2 m and maximum widths of 0.3 km.

The tributaries, in order going upstream, are Kushum, Derkul, Chagan, Irtek, Utva, Ilek (major, left), Bolshaya