Perumthatta Sree Mahadeva Temple is very famous and one of the 108 Siva Temples consecrated by Bhagavan Parasurama. This temple is situated 1 km away to the South of the famous Guruvayoor Sree Krishna Temple. In ancient times the area surrounding the Perumthatta Temple was the resting place of serpents. People collected snakes found in gardens and courtyards of houses in pots and threw them into the woods surrounding the temple without killing them. The pots would break and the snakes would disappear into the woods. Many centuries ago a hunter and his family had settled in this forest. They used to hunt the animals in more this forest and were the owners of a cow. They used to let the cow graze in the forest. After many days, they noticed that even after grazing when the cow returned, there was no milk in its udder. The hunter decided to find out how this happened. So, one day he followed the cow when it went for grazing and he saw the milk from the cow’s udder flowing down on a stone under a tree. He realized that there is some Divine Power in that place. So, he removed the Perum (big) Thatta from the neck of the cow and tied it on the tree near the stone so that he could find the place. Then he went to the chief person of that place and informed him about the incident. When they inspected the place, they found a Sivalinga on a stone platform. Immediately they cleared the forest and constructed the temple. Where the Perum Thatta was tied the Sivalinga was found and it came to be known as Sree Perumthatta Siva Temple. As time passed the temple management was in the hands of the Zamorins of Calicut. During Tipu’s invasion, he and his soldiers camped in the temple land. As a result of the Lord’s unhappiness, they fell ill and so they decided to perform Abhishekam in the Temple. Soon they were relieved from the illness, so he decided to free the temple land from taxes. As days passed by the temple was in a bad circumstance. The daily poojas could not be performed. The temple's presiding deity is Siva; the sub-deities are Ganapathy, Ayyappan, Nagas and Rakshas. The sanctum sanctorum and entrance gate were in ruins. Some devotees seeing this wretched situation conducted Ashtamangala Prasnam under the guidance of Kodungalloor Narayanan Embranthiri. After this, an Ashtabanda Kalasam was conducted and they started the renovation work but there was not much progress. In 1980 the devotees decided to carry out the renovation work in a better manner. As a result, they were able to renovate the sanctum sanctorum. They made new constructions like the Namaskara mandapam, Bhajan hall, vazhipadu counter, stage etc. and purchased land for the temple path. Perumthatta Kshesthra Paripalana Samiti was also registered. The Zamorin of Calicut who was pleased with the effort of devotees handed over all the responsibilities of the Temple to Perumthatta Kshesthra Paripalana Samiti. In April 2002 the Perumthatta temple renovation committee was formed. The new committee was eager to conduct a Naveekarana Kalasam and consecrate the sub-deities of Vishnu, Bhagavathy and Subrahmanian. The work started with the foundation laying ceremony of the Chuttambalam on 18th April 2002 by Poojya Sankarananda Brahmanadabhuti Swamikal, the Chief of Thrissur Thekke Madom and Swami Mridanandaji Maharaj, Puranattukara Sreeramakrishna Ashram. The foundation stone laying for the temple of Lord Ayyappa was conducted by Kanji Kamakodi Peedathipathi Poojya Jayendra Saraswathi Swamikal and Vijayendra Saraswathi Swamikal on May 10th 2003. The foundation of the Pradakshinavazhi (processional path) was laid by the famous Bhagavatha scholar Sri Anjam Krishnan Namboothiri. All the work was under the guidance of famous vasthusasthra scholars Kanippayyoor Krishnan Namboothiripad, Kuttan Namboothiripad and the temple thanthri, Chennas Raman Namboothiripad.   After the renovation, the temple was consecrated on 14th April 2004. In connection with this great ceremony, a Karpooradi Naveekarana Kalasam was conducted in the temple from May 11th to 24th 2004. An Athirudra Maha Yajnam was also conducted from the 1st of February 2007 for 11 days. Thereafter, every year from the 1st of February, Maha Rudra Yajnam is conducted for 11 consecutive days.