Jeziorka river, left tributary of the Vistula River, begins to run in the village of Debiny Osuchowskie, and to the Vistula flows near the village Obórki near Konstancin-Jeziorna.
Initially, flows to the east, in Gościeńczyce turns north to turn east again near Jazgarzew. Cuts in Zabieniec between ponds where since 1973 is supplied with water from the Green River channel.
In the upper reaches, the on the fwf kilometers distance from Wilczoruda to Wygnanka river flows through fish ponds. On the last part from Konstancin to the mouth of the Vistula runs an artificial trough dug in the 50s of twentieth century.
Here starts Chylice village with old, 19th-century houses.