Sri Gnanapureeswarar temple is located in the village named Tiruvadishoolam, in the district of Kanchipuram, in the state of Tamil Nadu in South India. The main deity of this temple is Gnanapureeswarar, Idaisura Nathar (Lord Shiva) and his consorts are Imayamadakodi and Govaradhnambikai. The festive deity of this temple is Chandrasekharar.
The holy tree of this temple is Vilwa. The holy water of this temple is Madhura Theertham. The agamam or pooja of this temple is known as Shivagama. This temple is nearly 1000-2000 years old in this region. The historical name of this place is Tiru Idaisuram.
According to the local legends and pundits, “The temple is praised by Saint Tirugnana Sambandar in his Thevaram hymns. This is the 27th Shiva temple in Thondainadu region praised in Thevaram hymns.”
In the temple, the festivals that are celebrated are Chitra poornima in April-May; Bangle festival (Valaikappu) for Mother on Aadi Pooram in July-August, Wedding festival along with Panguni Uthiram in March-April, Shivarathri in Febraury-March, Vaikunta Ekadashi, Pournima, Amavasya and New Year days as per the Tamil and English calendar.
As emerald, Lord in the temple is a swayambumurthy shines. The temple is widely opened for Hindus from 7.00 a.m. to 11.00 a.m. and from 4.30 p.m. to 6.30 p.m. Other deities of this temple are Mother Ambica, Lord Vinayaka, Mother Brahmmandeswari, Varasiddhi Vinayaka and Lord Brahmmandeswarar. It is the most important temple in this region and south India. It is listed among the most sought after ancient temples in south India.