Virvytė
The Virvytė River or Virvyčia River is a river in Samogitia, northwestern Lithuania. It is a left tributary of the Venta River. Virvytė begins in Žemaičiai Highlands, 3 km north from Laukuva town. It flows north passing Lakes Paršežeris and Lūkstas, Varniai city, Lake Biržulis, Tryškiai town. Virvytė flows into Venta near Gyvoliai village. Virvytė's main tributaries are Juodupis, Būgenis, Trimsėdis, Upyna, Tryškys.