The Jizera (German: Iser; Polish: Izera) is a river that begins on the border between Poland and the Czech Republic (in Silesia) and ends in Central Bohemia. Like some other names in Bohemia, the name Jizera is of Celtic origin, as the Celts lived in the area during Roman times (see also the Isar in Germany and the Isère in France).[1]
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It develops from the confluence of the Great Jizera (Velká Jizera) in the Jizera Mountains (Jizerské hory) and the Little Jizera (Malá Jizera) in the Giant Mountains (Krkonoše), and flows for 164 km into the Labe (Elbe) at the village of Káraný near Brandýs nad Labem-Stará Boleslav. On its way, the river intersects the Ještěd-Kozákov Ridge. For the first 15 kilometers the river constitute border between Poland and Czech Republic.
Jizera river is also one of two (the second one is Želivka river) biggest resources of potable water for the city of Prague, capital of the Czech Republic, but also other neighboring villages and towns. From Benátky nad Jizerou to its on-flow, it is surrounded by bank infiltration system, and in the district of Sojovice, the water is being pumped for artificial infiltration.[2]
