The site is known as the Temple of Anahita, built by Achaemenian Emperor Ardeshir II (Artaxerxes II), 404 BC to 359 BC. a single column on eastern wall. Kangavar was mentioned by the Greek geographer Isidore of Charax in the first century AD, under the name of Konkobar in ancient province of Egbatana; its name may be derived from the Avestan Kanha-vara, 'enclosure of Kanha'.
This temple is built in honor of "Ardevisur Anahita," the female guardian angel of waters. It is known as "Temple of Anahita". Architecture of this temple coincides with palaces and temples built during the Achaemenian period, 550 BC to 330 BC, in western Iran. Large pieces of stone are cut and shaped into blocks of rock. They are placed on top of each other; their shape usually causes them to interlock to form a wall or platform by a mountainside.
The Arab geographer Yaqut wrote of Kangavar in 1220; he says the place was the haunt of bandits, locally called either Qasr-i Shirin, 'castle of Shirin' after Khosro's favorite wife, or more often Qasr al-Lasus, the 'Robber Castle'. He wrote: "The Robber Castle is a very remarkable monument, and there is a platform some twenty cubits above the ground and on it there are vast portals, palaces, and pavilions, remarkable for their solidity and their beauty."
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