Originally the watercourse passed directly through the city, but the section in Tarsus was changed to its present course in the 6th century.
The Berdan River flows in one of the warmest regions of Turkey, but its upper reaches in the Toros Mountains make the water much cooler than the surrounding streams.
In 333 BC Alexander the Great and in 833 AD Caliph Al-Ma'mun both swam in the river and both fell ill (hypothermia or pneumonia?
In Greek mythology, the young Comaetho fell in love with the river-god Cydnus, and after the goddess Aphrodite transformed her into a spring, the two mixed waters forever.
[4] Cleopatra sailed up the river (older watercourse) and first met Mark Antony aboard her boat.