The Circle of Ancient Iranian Studies
Edited by Shapour Suren-Pahlav
(CAIS) -- Didehgan Dam which was constructed some
2500 years ago during the Achaemenid dynastic era (550-330 BCE) to the north of
the world heritage site of Pasargadae in Iran’s Fars province in order to
prevent seasonal flooding in the region has been demolished as a result of
removing soil in the region by bulldozers.
this news, Mohammad Jafar Malekzadeh, secretary of the high commission for dam
construction of Fars Regional Water Organization, told Persian service of CHN:
“A very high technique was implemented in construction of Didehgān Dam which
has made it unique in the world. The core of this Achaemenid dam was constructed
by soil and it was covered with stone - something which has not been seen
elsewhere. However, the activities of bulldozers of a private company in the
vicinity of this historic dam have caused some serious damages to parts of
was recently discovered during archaeological excavations in the region.
Although the existence of a historic dam belonging to the Achaemenid dynastic
era in Didehgan area had previously been mentioned in some archaeological
documents including the researches conducted by an American archaeologist in the
northern parts of Pasargadae world heritage site, since it was not introduced
properly, the search for such a dam was not taken seriously.
the usage of this dyke-like Dam, Malekzadeh explained: “Considering that there
are not much agricultural lands in the region, it seems that most possibly the
main aim behind construction of this dam was to bring the flooding in the region
under control and to have a water reservoir.”
destruction of this dam, some valuable archaeological evidence giving clues to
the technique practiced for dam construction during the ancient times have been
demolished; however, Malekzadeh still believes that even the remaining parts
would put some important information in the hands of archaeologists in this
massive stones, 1x1 meters in size, were used for construction of the Dam.
However, archaeologists are still uncertain about the origin of these stones,”
to Malekzadeh, some holes can be seen on parts of the stones which most probably
were used for coiling up the logs to prevent penetration of water. Due to recent
activities of bulldozers, some parts of the dam have been completely demolished
and the stones used in its construction have been broken down into pieces. This
is while experts believe such activities in this area were absolutely
In an attempt to prevent flooding in the region, a number of dams were constructed in Fars province, capital of Achaemenid dynastic era (550-330 BCE), during the reign of Achaemenid emperors. Examples of such dams can be seen in Marvdasht where the Great Dam of Darius was constructed.
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