Its major tributaries are the Akhuryan, Kasagh, Hrazdan, Azat, Arpa, Vorotan and Voghji rivers. The longest rivers in northwest part of the country are the Debed and Aghstafa, while shorter ones include the Dzoraget and the Pambak.
Its primary waterways are the Akhuryan, Kasagh, Hrazdan, Azat, Arpa, Vorotan and Voghji rivers. The longest rivers in the northwestern region of the country are the Debed and Aghstafa, while shorter ones include the Dzoraget and the Pambak.