Idukku Pillaiyar Koil - Must visit temple in Thiruvannamalai 

Idukku pillayar koil(Shrine) is located in Thiruvannamalai, girivalam route. Its a very small temple dedicated to Lord Ganesha, the Remover of Obstacles . The beauty of this temple without any god deity is it has a very narrow passage where a worshiper has to pass. It is believed that if you pass through the passage between the shrine you will overcome all obstacles in life. it is also said that the evil force around us will go off while we pass through the small passage. The best thing about this special temple is the size of the narrow passage is as equal as the width of human skeleton so it allows anyone to come out of it. Try this architectural wonder without fail when you go to girivalam.