• The hill is called Sengodu due to its reddish color. It has many other names like Deiva thirumalai, Nagamalai, Uragagiri.
• Once Adisesha and Vayu had a contest as to who was the greatest among them.  Adhisesha bet that Vayu should release the mountain by his strength while he covers Mount Meru with his hoods. Accordingly Adishesha covered the Meru mount with his hood and Vayu blew with his full strength. Some ridges of the Meru mountain flew away and fell at many places on Earth due to the speed with which the Vayu blew. One of them is Thiruchengode.  Hence this mountain is also known as Nagagiri, Vayumalai.
• History has it that Kedara Gauri got the left half of Lord's body by anointing the emerald lingam here.
• Sambandar first worshiped this temple in Kongu region's Tirtha Yatra, then visited some other abodes and came back here. At that time, the devotees who came with him were impacted by a dangerous fever. Sambandhar sang 'Avvinyaku ivvinaiyam' padhikam and decreed 'Thirunilakantam' and drove away the fever from the whole region. This incident is described in the Periya Puranam.
• A story told in this temple:- Pandipulavareru wrote a poem "Samaramughat Thiruchengode" - but couldn't complete that. Sengottuvelar came as a cowherd boy to him as the student of the scholar named Gunaseelar who lived here. It is said that Velavan, who came as a boy, made that poet return back after finishing the song saying "Athu Kumaran Thirumal Murugan Mailvaganam Kothumenere" - It is said that this happened at the foot of the hill.
• There is a Thalapurana sung by Veerakavirajapandithar.

Thirumurai : Padhigams :       Sambandhar -   1. வெந்தவெண் ணீறணிந்து (1.107); Songs : Kapiladeva Nayanar -      சிவன்மாட் டுகவெழுதும் (11.23.95), சிவபெருமான் திருவந்தாதி,              Pattinathar -      இறைத்தார் புரம்எய்த (11.30.59) திருஏகம்பமுடையார் திருவந்தாதி,                        Sekkizhar -      அண்டர் பிரான் (12.28.324 & 327) திருஞானசம்பந்தர் நாயனார் புராணம்.

• Although it is Shiva Thala, it is a very auspicious place for Lord Muruga.
• This is the place of Ardhanari.
• The temple is on the hill.
• The mountain is also called Nagachalam, Nagagiri because it looks like a serpant when viewed from the west madam road.
• One has to climb 1200 steps up the hill to reach the temple. There are serpent figures on the steps.
• At one point there is a long (20 feet) snake-shaped climb.
• Step 60 is said to be the most special of the steps in the climb. It used to be that if you stand here and take an oath, it will be accepted in the court of law.
• Lord is Swayambhu Murti made of white stone. Unchiseled vidangam - with a square Gomukhi.
• Arthanareeswarar Moolavar - Standing Thirumeni. (no linga form) half saree - half veshti alankaram; (Mulavar) appears in this form itself. The entire formation is made of white rock.
• Cold water seeps from below the feet. This is called Deva Tirtha. This Tirtham is given to the devotees, who come from all over the country. It is collected and distributed to the people on Amavasya in 3 to 4 drums.
• In front of the deity is an emerald lingam and an image of Bhrungi Maharishi.
• Ardhanareeswarar Utsava Murthy is a wonderful form.  In the male (right) side holds in hand Dandayutham, on female side (left) keeps the hands on the hip: Breast on the female side, in one of the feet, there is a Nupur, in the other an anklet, and even in the eyes, there is a fine difference between male and female parts beautifully at display. 
• Sengottu Velavar is a standing statue of "shining beauty".
• Adikesava Perumal Sannidhi here is done Mangalasasana by Nammalwar.
• In the middle of the town is the Sukanda Kunthalambikai Sametha Kailasanathar Temple. 
• There are mentions of this place in Silapathikaram, Devaram, Kandar Anubhuthi, Kandar Alankaram etc.
• The sanctum sanctorum of Nageswara is rich in sculpture. The sanctum sanctorum has pillared sculptures of warriors on horseback or yali. 
• Velalagaunder Mandapam pillar is rich in sculpture - has the figure of Veerabhadra in one and the figure of Arjuna Tapas, Hunter and Kuruvikari in the other.
• Cauvery river can be seen from the hill.
• Five tiered Raja Gopuram.
• Ardhanareeswarar is the lord of Shatabhisha (Sadhyam) Nakshatra and Abhishekam is performed for Ardhanareeshwarar in all Shatabhisha Nakshatra days.
• Inscription: Inscriptions of kings like Parakesari Varman Rajaraja I, Parakesarivarman I who conquered Madurai, Sundara Pandiyan, Chokkapanayakan, Sokkalinganayaka, Mysore Krishnaraja Wodeyar etc. are found here.
• Most of what is known of them is the provision of food to Brahmins and pilgrims, and oil for lamps. 
• Viswanatha Sokkalingar who ruled from 1660 to 1682 ACE, built Kasiviswesar temple and the tower.