The Vinayaka temple is situated in a rock on one of the peaks of the Mountain and is called as "Ucchi Pillaiyar Kovil".

Important renovations were made during the reigns of the Chola, Pandya and Nayak kings, and by a British colonial officer, Davis, whose image can be found in the Mukkoottu Vinayagar temple.

The temple is maintained and administered by the Hindu Religious and Charitable Endowments Department of the Government of Tamil Nadu.

[1] It is believed that Adi Kesava Perumāl, a form of Vishnu enshrined here, instructed Parvati on the Kedara Gowri Vratam, which she performed to unite with Shiva as Ardhanareeswarar.

With her austerities, Parvati appeased Shiva to grant position in his body, thus leading to the half-male, half-female manifestation as Ardhanareeswarar.

By the sudden release of air by Vayu lead the top of the mountain with the head of Adisesha, thrown into earth on three places with flesh and blood and making it red and thus the name Chengodu.

Margatha Linga darshan takes place solely in the early mornings of the margali month between 3:30 and 7 am and during the daily Ucchi Kala Poojai.

There is a water spring at the foot of the image, which is said to have been divinely manifested "Uli Padaa Uruvam" ('sculptured without tools'), also known to be Navabashana type.

The sculptures found in the mandapam in front of the Chengottu Velar shrine are of intricate designs and workmanship.

"Artha Jaama Pooja" the late night worship service is considered to be of importance in this shetram.

Ancient walls, mandapams and sculptured pillars (now in a state of disrepair) add to the awe that this temple perpetuates, on top of the hill was built by Vijaya Nagar Kings.The motorway and the renovated Rajagopuram are of recent origin.

The 84.5 feet tall Majestic Rajagopuram of this hill temple faces north and its five stages contain fine pieces of embossed figures.

The first chariot carries Lord Ganesha, the second Sengottuvelavar (Murugan), the third is used for Arthanāreeshwara and the last for Adikeshava Perumāl (Vishnu).

Girivalam is the practice of circumambulating the sacred hill by foot, which is performed by large crowds on full-moon days.