Highlights
- Mahakalanathar Temple, Tirumakalam — A Paadal Petra Sthalam Shiva temple near Ambar, revered in the Tevaram hymns. The deity is worshipped as Mahakalanathar (Mahakaleswarar), a form linking Shiva to Kala, time and death. It is part of the Ambar cluster of Chola-era delta shrines.
- Madhuvaneswarar Temple, Nannilam — A Paadal Petra Sthalam Shiva temple in the taluk headquarters town of Nannilam, revered in the Tevaram of the Nayanmars. The deity is worshipped as Madhuvaneswarar, the name associated with a legendary honey-forest (madhu vanam) that once surrounded the site. It is one of the district's more accessible Tevara sthalams.




