Vop River
Vop (Russian: Вопь) is a river in Smolensk Oblast, Russia. It is a tributary of the Dnepr River. It is 158 km long, with a drainage basin of 3300 km². The average discharge is 22 m³/s.
Coordinates: 54°55′38″N 32°44′07″E / 54.92722°N 32.73528°E
The river was the site of intense combat operations in the Smolensk region in the period July–September, 1941 as part of Operation BARBAROSSA.
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