Isna River
The 883rd longest river in the world
Isna River (Rio Isna, Portuguese pronunciation: [ˈiʒnɐ]) is a river in Portugal. It is 45.5 kilometres (28.3 mi) long. The river's source begins South of Casalinho and then passes South West past the villages/towns of Atalaia, Cardal Pequeno, Fernandaires and Trisio before it leads into the Zêzere River.
Flows through: Portugal.
River data from Wikidata (CC0); lengths normalised to a common unit.