Sinyaya River

The Sinyaya (Russian:Синяя, Belarusian:Сінюха, Latvian:Zilupe) is a river in Verkhnyadzvinsk Raion of Vitebsk Region of Belarus, in Zilupe, Ludza, and Cibla municipalities of Latvia, and in Sebezhsky, Krasnogorodsky, and Ostrovsky Districts of Pskov Oblast in Russia, part of the Baltic Sea basin. It is a left tributary of the Velikaya River. It is 195 kilometres (121 mi) long, and the area of its basin 2,040 square kilometres (790 sq mi).