The principal tributaries of the Polist are the Kholynya (left) and the Porusya (left). The town of Staraya Russa is located on the banks of the Polist.
The main rivers that supply water to the Polist are the Kholynya and the Porusya, both flowing in from the left. The town of Staraya Russa is located on the banks of the Polist, where it meets the river.