Piranmalai (Kodum Kunram) is a pilgrim center in Sivagangai District of Tamil Nadu. It is located 35 km north of Sivagangai and 24 km northwest of Tiruppattur. Prime attraction is the Nallamangaibagaswamy Hill Temple.
The hill is in the form of a Shivling and it is also called Prachandragiri and Katoragiri. Piranmalai is said to have been ruled by Paari Vallal. Myth is that this hill is a block of Mount Meru which was blown off during a great fight between the serpent king Aadisesha and Lord Vayu. Situated north of Piranmalai is the Konadu region.
Best time to visit here is during the Brahmotsavam celebrated in the month of Chithirai (Mid April-Mid May). Other festivals celebrated here include Kartikai Deepam, Arudra Darisanam, Vinayaka Chaturthi and Navaratri.
Nearest airport is at Madurai, about 61 km north-east of Tiruppattur. Karaikudi Junction Railway Station is the nearest railhead.