[vol-guh, vohl-; Russ. vawl-guh] 
| a river flowing from the Valdai Hills in the W Russian Federation E and then S to the Caspian Sea: the longest river in Europe. 2325 mi. (3745 km). |
River in western Russia, originating in hills northwest of Moscow and flowing generally southeastward for more than 2,200 miles before emptying into the Caspian Sea.
Note: The longest river of Europe, the Volga is the principal waterway of Russia.
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