Aji Chay
Encyclopedia
Aji Chay or Talkheh-Rūd, is a river in north-western Iran
Iran
Iran , officially the Islamic Republic of Iran , is a country in Southern and Western Asia. The name "Iran" has been in use natively since the Sassanian era and came into use internationally in 1935, before which the country was known to the Western world as Persia...

. Most of it is situated in the East Azerbaijan Province.

Its water is alkali
Alkali
In chemistry, an alkali is a basic, ionic salt of an alkali metal or alkaline earth metal element. Some authors also define an alkali as a base that dissolves in water. A solution of a soluble base has a pH greater than 7. The adjective alkaline is commonly used in English as a synonym for base,...

 due to passing from the lands with high mineralization. It is the largest river that discharges into Lake Urmia
Lake Urmia
Lake Urmia , ancient name: Lake Matiene) is a salt lake in northwestern Iran, near Iran's border with Turkey. The lake is between the Iranian provinces of East Azerbaijan and West Azerbaijan, west of the southern portion of the similarly shaped Caspian Sea...

. It arises above Sarab
Sarab
Sarab is a city in and the capital of Sarab County, East Azerbaijan Province, Iran. At the 2006 census, its population was 42,057, in 11,045 families.Sarab is famous for its rugs. From 1747 to 1813, it was the capital of the Khanate of Sarab....

 from the slopes of Mount Bozgush
Mount Bozgush
Mount Bozgush, Bozqush or Bozqush Kuh is a volcanic mountain south of Sarab and north of Mianeh, East Azarbaijan Province, Iran. Tulips are cultivated on the rich volcanic soil of Mount Bozgush, and medicinal herbs such as pennyroyal, thyme, borage, nettle and liquorice grow wild on the...

 and Mount Sabalan
Sabalan
Sabalan is an inactive stratovolcano in Ardabil province of northwestern Iran. It is the third highest mountain in Iran with a permanent crater lake formed at its summit. Sabalan has a ski resort and different tourist areas such as the Sarein spa...

. Its tributary, the sweet water Quri River (Ghouri or Mehran River), joins the Aji just northeast of central Tabriz
Tabriz
Tabriz is the fourth largest city and one of the historical capitals of Iran and the capital of East Azerbaijan Province. Situated at an altitude of 1,350 meters at the junction of the Quri River and Aji River, it was the second largest city in Iran until the late 1960s, one of its former...

.

The Iranian government has a project under development to put the water to agricultural use by altering the watercourse of the Aji Chai away from the alkali lands. As part of this project, the Madani dam is being constructed on the Aji Chai on the northeast side of Eynali mountain
Eynali
Eynali is a small mountain range in north of Tabriz, Iran. The range has a couple of peaks including Eynali , Halileh , Pakeh-chin , Bahlul and the highest one Dand . It has red soil and it is seen from everywhere in Tabriz...

, which lies to the northeast of Tabriz
Tabriz
Tabriz is the fourth largest city and one of the historical capitals of Iran and the capital of East Azerbaijan Province. Situated at an altitude of 1,350 meters at the junction of the Quri River and Aji River, it was the second largest city in Iran until the late 1960s, one of its former...

.

Historical Aji Chay Bridge
Aji Chay Bridge
Aji Chy Bridge bridge is one of the oldest bridge in the region. Its is on the Aji Chay river at the western part of Tabriz. Its history goes back to the time while Tabriz still a small village. Located at the ancient Silk Road, the bridge always had a major role in connecting east to the west....

 over the river, on the old Tabriz road to Marand
Marand
Marand is a city in and the capital of Marand County, East Azerbaijan Province, Iran. At the 2006 census, its population was 114,165, in 29,755 families....

, is located just outside of Tabriz and east of the Tabriz International Airport
Tabriz International Airport
Tabriz International Airport is an airport that serves Tabriz, Iran. It is the primary airport of Tabriz. It also serves as a military for IRIAF as second fighter base of IRIAF.- Airlines and destinations:-Accidents and incidents:...

.
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