The rise of the Hoysalas to power in the 11th - 12th centuries created many important towns and cities (nagara) along the malnad regions of present day Karnataka. The Hoysalas built many ornate temples in this region and it is not uncommon to find them spaced very short distances from each other.
The Saligrama Shivalinga present at this place is brought from Gandaki river of Nepal.
Here there is an idol of Sri Sharada Devi that is considered to be very powerful. There is an idol of Lord Shiva (Amrutheswara) in the same temple. He has to be prayed first and then we have to pray to the Goddess. This idol is made of Spatika stone and is considered a Trimurti ie all three Gods Brahma, Vishnu and Shiva reside in the Lingam. Lord Amruteshwara Images