EntityQ770781· pop 36· linked from 189 articlesSulakSign in to saveriver in Dagestan, RussiaKey factsCountryRussiaLocationconfluence of Avar Koysu and Andi KoysuLength144 km (89 mi)Basin size15,200 km (5,900 sq mi)Average176 m /s (6,200 cu ft/s)LeftAndi Koysu , AktashRightAvar Koysuvia Wikipedia infoboxArticlesourcemouthRead full article (17 paragraphs)ConnectionsRussiaCountryRussianEntityCategoriesRivers of DagestanTributaries of the Caspian Sea