This also known as Tiruvarur Araneri, this temple to Shiva is located in the Southern Prakaram of the grand Tyagaraja Temple at Tiruvarur. Achaleswaram is regarded as the 88th in the series of Tevara Stalams in Chola Nadu south of the river Kaveri.
The Chola Queen Sembian Mahadevi rebuilt this temple of stone (10th century). This west facing temple consists of sanctum and an ardhamandapam. Inscriptions from the period of Raja Raja Chola are found here. The niche images here include those of Ardhanareeswarar, Durga, Bhikshatanar, Bhrama, Lingodbhavar, Dakshinamurthy, Agastyar and Natarajar.Legend has it that Naminandi Adigal, one of the 63 Nayanmars, kept the temple lamp burning with water, when oil supply failed.
