The Šešuvis is a river in western Lithuania

Lithuania

Lithuania , officially the Republic of Lithuania is a country in Northern Europe, the biggest of the three Baltic states. It is situated along the southeastern shore of the Baltic Sea, whereby to the west lie Sweden and Denmark...

 and the main tributary of the Jūra River

Jura River

The Jura River may refer to:*Jūra, river in Lithuania*Jura River , river near Agaun, Papua New Guinea*Jura River , now dry river in California, United States, formerly contained gold...

. Šešuvis begins 12 km (7.5 mi) northwest of Raseiniai

Raseiniai

Raseiniai is a city in Lithuania. It is located on the south eastern foothills of the Samogitians highland, some north from the Kaunas–Klaipėda highway.- Grand Duchy of Lithuania :...

 and flows mostly in the southwest direction. Its main tributaries are the Ančia, Šaltuona, Agluona, Žalpė, and Įkojis rivers. There are almost no lakes in Šešuvis' basin therefore its water level is subject to great seasonal fluctuations.