Avinashi Lingeswarar Temple dedicated to Lord Shiva is one of the celebrated Shaivite temple, located 40 km away from Coimbatore and 5 km from Tiruppur. The word Avinashi means indestructible and the sanctum sanctorum of the presiding deity stands as the indestructible force here. Dating back to the 15th century, this temple believed to be built by Sundarapandiya is regarded as the first of the 7 Thevaram Sthalams in the Kongu region. The temple is also known by the names, Karunaiyaaththaal temple and Dakshina Varanasi.

The temple has some exquisite stone carvings and inscriptions.Several inscriptions reveal that the Cholas, Pandyas and the Hoysalas have made extensive endowments to the temple. The temple has 2 prakarams (ramparts) and the inner prakaram is adorned with Navaranga Mandapam. There is a separate shrine for Goddess Karunambika (Ambal) which is located to the right of the main sanctum. It is believed that worshipping the scorpion symbol sculpted behind the Goddess, one will get relief from the fear of poisonous bites, bad dreams etc.

Earlier known as Pikkoigul, the place has a history that is closely related to Shiva saint Sundaramoorthy Nayanar. The saint on his way to Tiruvanchikulam is said to have miraculously rescued a boy from the clutches of a crocodile, in a tank called Tamaraikkulam. On the shore of tank, there is a shrine dedicated to the saint and this event is commemorated during the 'Mudalai Vaai Pillai' Utsavam on Panguni Uththiram.

Several festivals are celebrated here. One among them is the 12 day long Brahmotsavam held in the month of Chittirai (mid April - mid May). This festival symbolizes the penance of Brahma on Lord shiva and the holy padhiri tree in the temple compound blossoms only during this festival. The car festival, conducted during the month of Chithirai called the Chithirai Thiruvizha, is celebrated with great pomp and pageantry. The temple's car is known for its fine wooden carvings and it is one of the biggest cars in South India.

Avinashi Lingeswarar Temple is opened from 5:00 am to 1:00 pm and from 4:00 pm to 8:00 pm. The temple is protected as a monument by the Archeological survey of India.