Arunachaleswara  Temple in Tiruvannamalai is dedicated to Lord Siva and  it is one of the  largest temples in India . Arunachaleswara temple is  one of the "Panch  Boodha Sthalams" and it is "Agni" Sthalam. It has also  the importance  as "Padal Petra Sthalam". That is the four famous 'Saiva  Saints and  Poets' such Appar, Sundarar, Manichkavasakar and Thirugnana  Sambandar  made several poems on Lord Arunachaleswara.  
Tiruvannamalai  is one of the greatest Saivite shrines in India, on a  sprawling 24  acre temple campus, drawing hundreds of thousands of  pilgrims every  full moon. The hill here is considered to be a  manifestation of Shiva.  Tiruvannamalai is one of the Panchabhoota  Stalams signifying the 5  elements of wind (Kalahasti), water  (Tiruvanaikka), fire  (Tiruvannamalai), earth (Kanchipuram) and space  (Chidambaram). Kartikai  Deepam festival here is of great significance.  Manikkavacakar composed  his Tiruvempavai here.The Paatala Linga shrine  is connected with the  spritual savant Ramana Maharishi. Arunagiri Nathar  began composing his  Tiruppukazh here at this temple. 
Legend here goes that Shiva assumed the form of a huge column of fire, whose origins Bhramma and Vishnu failed to trace.  
When  we observe the general structure of the temple, we notice that  there  are five small gopurams on the inner boundary and four big  gopurams on  the outer boundary. The inner gopurams are known as Kitti  gopurams.  There are two gopurams in the East and one gopuram each for  the other  three directions. The first of the two Eastern gopurams is  called Kili  gopuram. There are indications that this was built in the  11th century.  The gopurams built during this period have no more than  five stories.  The Kili gopuram was built by Veera Rajendra Chozhan  around 1063 A.D.  He is referred to as Maharaja Thiribuvana  Chakravarthigal in the  inscription.This name was also given to the  gopuram. The Kitti  (smaller) gopurams, except the top of the western  one, were built by  the Hoysala King Vallala Maharaja III. His name is  given to the biggest  Kitti gopuram which is in the East.  
In  the outer gopurams, historians say the western gopuram is the oldest.   The base was built by Vallala Maharaja. The top belongs to a later   style. Inscriptions attribute this to Krishna Deva Raya of Vijayanagar.   This king had undertaken important construction work in this temple. It   is said, he built the base of the other three gopurams. But the   architectural style of the base of the Western gopuram was constructed   first and then those of the South, East and North. Though the Eastern   gopuram, known as the Rajagopuram looks older, it was built after the   Western one. This was constructed by Krishna Deva Raya and renovated by   king Sevappa Naicker of Tanjore. There is another view that this was   completely built by Sevappa Naicker. Tamil and Sanskrit inscriptions on   the Western gopuram dated 1690 A.D. bear witness to this. Krishna Deva   Rayer of Vijayanagar also constructed the hundred pillared and thousand   pillared halls in the temple. He dug the Sivagangai Thirtham in front  of  the thousand pillared hall. As mentioned earlier, he built the base  of  the three gopurams and either began or finished the Eastern  Rajagopuram  with eleven stories. 
All the kings  mentioned above and  chieftains like Kadava Raya, Sambuvaraya and Banas  expressed their  devotion to Arunachaleswara by building small temples  inside the  Arunachaleswara temple as well as around the mountain and  elsewhere in  the town. These kings were also responsible for digging  many ponds in  this region. To the devotees visiting the town and the  temple, its  architectural splendor and sculptured beauty, its rich  lands and ponds,  its jewels and appurtenances, the inscriptions and the  wealth of  literature praising the glory of Arunachaleswara are glowing  evidence of  the love that the lord has commanded in the minds of kings  and  commoners through the centuries. Critics may take exception to the   absence of continuity in the architectural style but there is no lack  of  continuity in the depth of piety of the kings who built it.  
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