The largest river is the Tumen, which flows along the eastern border.

The Kuwano river flows along the northern border, with the Bisuha, a small stream of a similar character.

The Vaal River flows along the southern border of the province.

The River Monnow flows near here along the border.

It flowed along the border in a low valley surrounded by steep cliffs on the Russian side.

The Zhuoshui River flows westward along the south border of the township.

The Drava flows along the northern border of the county.

The Boeotian river Asopos flows east along the northern border.

The river Nestos flows along the eastern border.

As it flows along the northern border, the Danube averages 1.6 to 2.4 kilometres in width.