Aydos Hill (Turkish: Aydos Tepesi) is a hill in the north of Kartal district of Istanbul, Turkey.

Its peak at 537 m (1,762 ft) above sea level is the highest point of Istanbul.

The fortress was built in the first half of 6th century by the Roman Empire.

Today, the ruins of Aydos Fortress are in the Sultanbeyli and Pendik district of Istanbul.

This geographical article about a location in Istanbul Province, Turkey is a stub.