Kaduthuruthy Mahadeva temple, or the Thaliyil Shiva Temple, is located in Kottayam District in Kerala. The 10-day annual festival is observed in such a manner that it ends on the Thiruvathira Nakshatra day in Dhanu Masam.
The main deity worshipped in the temple is Shiva who is in dhyana form faces east. The Shiva here is the paradevatha of Vadakkumkurru. It is believed that the area was the capital of Vembaladu (Vadakkumkurru). The temple is one among the oldest Tali temples in Kerala.
The upa devatas worshipped in the temple are Ganapathy, Sastha, Bhagavathy, and Rakshas. The Rakshas worshipped here is believed to be the atma of a pujari of the temple. Once there was a fire in the temple and the pujari hugged the Shivling and got killed in the fire. There is no Nandi in the temple which is a rarity.
The murti here was installed by Khara maharshi. Two other temples in the region which are at equal distance from the shrine – Vaikom and Ettumanoor – were too installed by Khara Maharshi.
Another important festival observed in the temple is the Shivratri. The annual Prathishta dinam is observed in Kumbha Masam.