Vop (river)

The Vop (Russian: Вопь) is a river in Smolensk Oblast, Russia. It is a right tributary of the Dnieper. It is 158 km long, with a drainage basin of 3300 km². The average discharge is 22 m³/s.^[1]

Vop
The Vop at Yartsevo
Location
Country	Russia
Physical characteristics
Mouth	Dnieper
• coordinates	54°55′38″N 32°44′07″E
Length	158 km (98 mi)
Basin size	3,300 km2 (1,300 sq mi)
Discharge
• average	22 m3/s (780 cu ft/s)
Basin features
Progression	Dnieper→ Dnieper–Bug estuary→ Black Sea

The river was the site of intense combat operations in the Smolensk region in the period July–September, 1941 as part of Operation Barbarossa.