Length 375 km Basin area 16,700 km² Source Ulyanovsk Oblast | Discharge 1,590 m³/s Mouth Kuybyshev Reservoir Country Russia | |
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Main source Ulyanovsk Oblast
100 m (330 ft) River mouth Kuybyshev Reservoir, Volga
53 m (174 ft) Basin size 16,700 km (6,400 sq mi) | ||
The Sviyaga (Russian: Свияга, Tatar: Зөя, Zöyä, Chuvash: Сĕве) is a river in the Ulyanovsk Oblast and Tatarstan, a right tributary of the Volga River. It is 375 kilometres (233 mi) long, and its drainage basin covers 16,700 square kilometres (6,400 sq mi). The Sviyaga River flows into the Sviyaga Cove of the Kuybyshev Reservoir, west of Kazan. It freezes up in November or December and stays under the ice until April or May. Major tributaries are the Arya, Bula, Karla, Kubnya, and Tosha rivers.
Map of Sviyaga River, Republic of Tatarstan, Russia
The city of Ulyanovsk is along the Sviyaga River. In Ulyanovsk, the Sviyaga flows only a few miles away from the Volga, but their confluence is about 200 kilometres (120 mi) north of Ulyanovsk.
The castle of Sviyazhsk, which dates to 1551, is on the island in Sviyaga Cove of the Kuybyshev Reservoir.