|⁃ location||north of Monte Volturino|
|Gulf of Taranto near Policoro|
|1567 meters above sea level|
|Length||136 km (85 mi)|
|Basin size||1,770 km2 (680 sq mi)|
|⁃ average||20 m3/s (710 cu ft/s)|
The Agri is a river in the Basilicata region of southern Italy. In ancient times it was known as Aciris (Ancient Greek: Ἄκιρις, romanized: Akiris). The source of the river is in the Lucan Apennines north of Monte Volturino and west of Calvello in the province of Potenza. It is near the source of the Basento. The river flows south near Paterno before curving southeast. It flows near Tramutola, Viggiano, and Grumento Nova before entering a lake. After exiting the lake, the river flows eastward near Armento, Missanello, Aliano, and Sant'Arcangelo. A right tributary, the Racanello, enters the river in this area. The river forms the border between the province of Potenza and the province of Matera for part of this area of the river. It flows into a small lake before entering the province of Matera. The river flows for a short distance before entering Lago di Gannano. After exiting the lake, the river flows southeast near Tursi, Montalbano Jonico, and Scanzano Jonico before flowing into the Gulf of Taranto near Policoro.
- The Times Comprehensive Atlas of the World (13 ed.). London: Times Books. 2011. p. 78 L3. ISBN 9780007419135.
- Smith, William, ed. (1854–1857). "Aciris". Dictionary of Greek and Roman Geography. London: John Murray.
- The Orbis Latinus also cites the name as Aceris, Acina, Acir, Acris, Agrius, and Axepus accessible here
- Hammond World Atlas (6 ed.). Hammond World Atlas Corporation. 2010. p. 54. ISBN 9780843715606.
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