Andi Koysu

Andi Koysu
Andi Koysu is located in Republic of Dagestan
Andi Koysu
Andi Koysu is located in Georgia
Andi Koysu
Location
Countries
Physical characteristics
Source 
 • locationconfluence of Pirikiti Alazani and Tushetis Alazani
 • coordinates42°21′17″N 45°39′31″E / 42.3547°N 45.6585°E / 42.3547; 45.6585
Mouth 
 • location
Sulak
 • coordinates
42°47′26″N 46°47′47″E / 42.7906°N 46.7963°E / 42.7906; 46.7963
Length144 km (89 mi)
Basin size4,810 km2 (1,860 sq mi)
Basin features
ProgressionSulakCaspian Sea

The Andi Koysu (Russian: Андийское Койсу - Andiyskoye Koysu, Georgian: ანდის ყოისუ - Andis Qoisu) is a river in Dagestan (Russia) and Georgia. It starts at the confluence of the rivers Pirikiti Alazani and Tushetis Alazani, near Omalo in the Tusheti region of Georgia. It is 144 kilometres (89 mi) long or 192 kilometres (119 mi) including its longest source river, Tushetis Alazani, and its drainage basin covers 4,810 square kilometres (1,860 sq mi).[1] At its confluence with the Avar Koysu, near the village Gimry in central Dagestan, it forms the river Sulak.