Sirumalai
Located in Sirumalai is Agathya Puram. Named after the prominent Agathya Siddhar. Located in Agathya Puram is Silver Hill, this is the tallest hill in Sirumalai. It is said that the peak of the Silver hill was made up of Silver but to avoid man's destruective actions during the Kali Yuga the hill was transformed via Alchemy in to stone by Agathya Siddhar, hence it got the name silver hill. The hills silver glitter can be still seen in the sun light. In the peak of this Silver hill is a 500-year-old Shiva Lingam, walk to top of the hill is about 30 – 45 minutes. The view from the silver Hill is breathtaking.