Desna River
Chernihiv has also The Snov river in Bryansk Oblast in Russia and Chernihiv Oblast in Ukraine, right tributary of the Desna River (Dnieper's basin). The length of the river is . The area of its drainage basin is . The Snov freezes up in November - late January and stays icebound until March - early April. Part of the river forms the Russia–Ukraine border.