Thiru Anna Malai or Arunachala refers to the sacred red mountain, at the foothills of which stands the majestic temple of the Lord. The universe and all its contents are made up of the five fundamental elements of existence, known as the Pancha Bhootas, and these are the earth, water, fire, air, and sky or space. Thiruvannamalai is known for the Pancha Bhoota Sthalas, representing Agni, the fire, whereas the Lord himself is believed to be present here as the mountain of fire.
Arunachaleswara or Annamalaiyaar can be worshipped in the temple along with Ambal Apeetha Kuchalambigai or Unnamalai Amman.
Girivalam has lots of significance spiritually and scientifically. It’s believed that Saints and Siddhars lived in Tiruvannamalai and attained moksha. Some of the prominent saints are Appar Sundarar Maanikkavasagar Ramanar and so on.
Devotees believe that these Siddhars will make their presence during the full moon day and so they do Girivalam to get their blessings.
Thiruvannamalai hill has eight Lingams which are known as Ashtalingam. Each lingam has different significance as follows.
Indra lingam gives fame and long life
Agni lingam gives relief from fear and disease
Yama lingam gives a long lifespan
Niruthilingam gives health, wealth, childbirth to the couples
Varunalingam gives relief from water health problems
Vayulingam from diseases like heart diseases, stomach diseases
Kubera lingam gives wealth improvement
Easanya lingam peace of mind.
The darshan of all these eight Lingams would give lots of peace and prosperity to one who does Girivalam is the belief.
Scientific reasons: The Tiruvannamalai hill is surrounded by lots of herbs which gives us good health and has a magnetic force that gives peace when a person do Girivalam.