The Mūša (; German: Muhsse) is a river in Northern

Lithuania Lithuania, officially the Republic of Lithuania, is a country in the Baltic region of Europe. It is one of three Baltic states and lies on the eastern shore of the Baltic Sea, bordered by Latvia to the north, Belarus to the east and south, P ...

and Southern

Latvia Latvia, officially the Republic of Latvia, is a country in the Baltic region of Northern Europe. It is one of the three Baltic states, along with Estonia to the north and Lithuania to the south. It borders Russia to the east and Belarus to t ...

(

Zemgale Semigallia is one of the Historical Latvian Lands located to the south of the Daugava and to the north of the Saule region of Samogitia. The territory is split between Latvia and Lithuania, previously inhabited by the Semigallian Baltic trib ...

region). At its

confluence In geography, a confluence (also ''conflux'') occurs where two or more watercourses join to form a single channel (geography), channel. A confluence can occur in several configurations: at the point where a tributary joins a larger river (main ...

with the river

Nemunėlis Nemunėlis () is a river in northern Lithuania and southern Latvia. It originates 6 km south of Rokiškis. It is 191 kilometres long (75 km in Lithuania, 76 km on the Latvia–Lithuania border and 40 km in Latvia) before its ...

() in

, near the city of

Bauska Bauska () is a town in its Bauska Municipality, eponymous municipality, found in the Zemgale region of southern Latvia. Bauska is located from the Latvian capital Riga, 62 km (38.5 mi) from Jelgava and from the Lithuanian border on t ...

, the river Lielupė is formed. The river is 164 kilometers (146 km in Lithuania, 18 km in Latvia) long.

References

LIETUVOS RESPUBLIKOS UPIŲ IR TVENKINIŲ KLASIFIKATORIUS (Republic of Lithuania- River and Pond Classifications)

Ministry of Environment (Lithuania) The Ministry of Environment of the Republic of Lithuania () oversees the environment and natural resources in Lithuania. Its mission is: *To implement the principle of sustainable development; *To set preconditions for rational utilization, prote ...

. Accessed 2011-11-17. Rivers of Lithuania Rivers of Latvia International rivers of Europe Latvia–Lithuania border {{Latvia-river-stub