Sviyaga River

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Sviyaga River
Origin Ulyanovsk Oblast
Mouth Kuybyshev Reservoir, Volga
Basin countries Russia
Length 375 km
Avg. discharge 1,590 m³/s (near mouth)
Basin area 16,700 km²

The Sviyaga River (Russian: Свияга, Tatar Cyrillic: Зөя, Latin: Zöyä, Chuvash: Сĕве), a river in the Ulyanovsk Oblast and Tatarstan, a tributary of the Volga River. Its length is 375 km. The area of the basin is 16,700 sq km. The Sviyaga River flows into the Sviyaga Cove of the Kuybyshev Reservoir, west of Kazan. It freezes up in November-December and stays under the ice until April-May. The city of Ulyanovsk is located on the Sviyaga River. In Ulyanovsk, Sviyaga comes in several miles near the Volga, but their confluence is nearly 200 km north from Ulyanovsk.

The Russian castle Sviyazhsk dates back to 1551 is situated at the island in Sviyaga Cove of the Kuybyshev Reservoir.