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