|Basin countries||Ukraine, Belarus|
|Length||710 km (440 mi)|
The Pripyat passes through the Zone of alienation around the Chernobyl reactor, site of the nuclear disaster. It is polluted with radionuclides. The amount of caesium-137 in river sediments continues to go up. The city of Prypiat, Ukraine (population 45,000) was completely evacuated after the Chernobyl disaster.