It begins nearby Reniūnai village in Ukmergė District Municipality, then flows to the south west through Jonava District Municipality.

After a confluence with the Medukšna it turns to the north west and runs through Kėdainiai District Municipality till it meets the Obelis in Valkaičiai.

It often dries out during summers and freezes up to the bottom during winters.

[2] Gaižūnai, Pasraučiai, Martyniškis, Žeimių GS, Palankesiai, Žeimiai, Užkapiai, Vainiūnai, Stašaičiai settlements are located on the banks of the Lankesa.

[3] This article related to a river in Lithuania is a stub.