The Tirso (,
Latin
Latin ( or ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken by the Latins (Italic tribe), Latins in Latium (now known as Lazio), the lower Tiber area aroun ...
''Thyrsus'') is a river, the most important of the island of
Sardinia
Sardinia ( ; ; ) is the Mediterranean islands#By area, second-largest island in the Mediterranean Sea, after Sicily, and one of the Regions of Italy, twenty regions of Italy. It is located west of the Italian Peninsula, north of Tunisia an ...
(
Italy
Italy, officially the Italian Republic, is a country in Southern Europe, Southern and Western Europe, Western Europe. It consists of Italian Peninsula, a peninsula that extends into the Mediterranean Sea, with the Alps on its northern land b ...
). It rises from the plateau of
Buddusò, on the slopes of the
Punta Pianedda at an elevation of and crosses the island from east to west, passing through
Lake Omodeo and entering the sea in the
Gulf of Oristano.
European drainage basins of the Mediterranean Sea
Rivers of Italy
Rivers of Sardinia
Rivers of the Province of Sassari
Rivers of the Province of Oristano
{{Italy-river-stub