The Awali (Arabic: نهر الأولي / ALA-LC: Nahr al-Awalī, ancient Bostrenus / Bostrenos)[1][2] is a perennial river flowing in Southern Lebanon.
The Awali is supplemented by two tributaries, the Barouk and Aaray rivers.
The Awali is also known as the Bisri river in its upper section; it flows through the western face of Mount Lebanon and into the Mediterranean.
The Awali river has a discharge of 10.1625 m3/s (358.89 cu ft/s), it forms a watershed that has an area of about 294 km2 (114 sq mi).
[4] The river flows into Joun Lake, which is part of the Bisri Dam project to improve the supply of fresh water to the region.