The province of West Azarbayjan has the largest lake of Iran in its territory, known as Lake Orumieh. This lake is at an altitude of 1,267 m

The River Kloy or Zaab takes its sources in the heights of the Maidan Gorge 2,140 m

.This river originates from the mountains of Chehel Cheshmeh of Kurdestan

With an area of 120 hectares, this salt-water lake is located south of the Ardabil city and constitutes an important recreational site for the inhabitants of Ardabil with several facilities.

This lake is located 48 km. southeast of the city of Ardabil, in an altitude of 2,700 m. above sea level. With an area of more than 220 hectares, it is composed of a smaller and a larger basin, which gets connected in rainy seasons forming a single lake.