Vayu God brought some mount pieces of Kailayam one of which is Avoor Pasupatheeswaram and the other is Nallur Panchavarneswarar (nearby).
Since divine cow Kamadhaneu worshipped Shiva here, the place is called Pasu(cow)-patheeswaram.
The temple is located 4 kms from Pateeswaram, which is 6 kms from Kumbakonam. The name of the Main Deity is Swayambu linga Pasupatheeswarar with two ambals Pangajavalli and Mangalambihai. The 5 main theerthams are Brahma, Kamadhenu, Chandra, Agni, Poihaiyaru. This kshetram is one of the 275 Thevara paadal petra Sthalams
Brahma, Vishnu, Dasarathar, Saptha Rishis, Indhran, Sun, Vashistar and NavaGraha worshipped Shiva here.
Avoor presented the great Sanga Pulavargal (Ancient Vocalist) Avoor Kizhar, Avoor Moolangizhar and Perunthalai Sathanar to the world.
he temple has five majestic gopurams. This temple is a Maadakkovil built at an elevation by Ko Chengat Cholan. Once it was the fort of Chola Kingdom.
Murugan here is seen with bow and arrow as a hunter.