The temple's wooden Lingam, Sangameshwaram, is believed to have been installed by Dharmaraja, the eldest of the Pandavas, after their visit to Srisailam Mallikarjuna temple. The temple is considered a place of religious sanctity due to being built at the confluence of seven rivers and remain visible for two months . (Bhavanasi, Krishna River and five rivers that merge into it beforehand, namely, Veni, Tunga, Bhadra, Bheemarathi and Malapaharini).