Çanaksu is a village in Arpaçay District, in Kars Province, Türkiye. Çanaksu lies at 1,984 m above sea level, 1.9 km from the Allahuekber mountains. It has 313 inhabitants. The nearest city is Kars, 47 km to the southwest. Near the border: Armenia, 15 km. Among the landmarks around are Vardzia (44 km), Marmashen Monastery (42 km) and Çıldır Dam (6.2 km).