Miankaleh peninsula is located in the southern east end of the Caspian Sea in the 12 kilometer distance of north of Behshahr in Mazandaran province of Iran. Its area is more than 68000 hectares and its height varies between 15 to 28 meters from sea level.
This peninsula divides Gorgan Gulf from the Caspian Sea. The lands of this peninsula include long shrubberies and it has been used as the meadow of cow keepers.
Miankaleh was announced as a preserved district in 1969 and is now preserved in the titles of “whildlife shelter”, “international pond” and “biosphere natural reservoir” by the environment department.