The Arpa (Armenian: Արփա; Azerbaijani: Arpaçay) is a river that flows through Armenia and Azerbaijan's Nakhchivan exclave. It originates in the Vayots Dzor province (marz) of Armenia and is a left tributary of the Aras. It is 128 km (80 mi) long, and has a drainage basin of 2,630 km2 (1,020 sq mi). It runs through many cities and towns, including Jermuk, Vayk, Yeghegnadzor, Areni, Oğlanqala, Siyaqut and Qışlaqabbas. Spandaryan Reservoir lies on the river.
|39°28′07″N 44°56′49″E / 39.46861°N 44.94694°ECoordinates: 39°28′07″N 44°56′49″E / 39.46861°N 44.94694°E|
|Length||128 km (80 mi)|
|Basin size||2,630 km2 (1,020 sq mi)|
|Progression||Aras→ Kura→ Caspian Sea|
- ^ Арпа, Great Soviet Encyclopedia
- ^ "Rivers of Armenia". Armenia Discovery. Retrieved July 6, 2021.