The
Zala is a
river in south-western
Hungary. Its source is in the hills on the borders with
Austria and
Slovenia. Its length is 139 km and drains water from 2,622 square km. Several smaller rivers feed into it, including the Felso-Válicka, Szentmihályfalvai patak (brook), Szévíz csatorna (channel), Foglár csatorna on the right bank, and Szentjakabi patak, Sárviz patak, Széplaki patak, Csörgeto patak and Nádas patak on the left bank. It flows through the city of
Zalaegerszeg before flowing into
Lake Balaton near
Keszthely. The River Zala flows through the Hungarian counties of
Vas and
Zala.