The Flumendosa is a river of southern Sardinia, Italy. With a length of 127 kilometres (79 mi), it is the second longest river of the island behind the Tirso.

Flumendosa
Lake of Basso Flumendosa
Map
Location
CountryItaly
Physical characteristics
Source 
 • locationMonte Armidda (Gennargentu massif)
 • elevation1,270 m (4,170 ft)
MouthTyrrhenian Sea
 • location
near Muravera and Villaputzu
 • coordinates
39°25′47″N 9°37′45″E / 39.4298°N 9.6291°E / 39.4298; 9.6291
 • elevation
0 m (0 ft)
Length127 km (79 mi)
Basin size1,775 km2 (685 sq mi)

The Flumendosa's springs are located in the Gennargentu massif, at the foot of the Monte Armidda; it flows into the Tyrrhenian Sea near the towns of Muravera and Villaputzu. It drains a basin of about 1,775 square kilometres (685 sq mi). Before the construction of two large dams, it had a discharge of 22 cubic metres per second (780 cu ft/s).