Mandiragiri  (Senjeri Malai, Mantragiri) is located in Malaippalayam  near Udumalaippettai and Pollachi.

Mandiragiri is located in Malaippalayam  near Udumalaippettai and Pollachi is an ancient shrine to Murugan, revered by the Tiruppukazh hymns of the saint poet Arunagirinathar of Tiruvannamalai. Arunagirinathar refers to Mandiramalai as Tenserigiri. The Perumaal malai Vishnu temple is located nearby.

This temple is built on a small hill, accessed by a motorable road, as well as a flight of steps. The [presiding deity Mantrachala Perumaan is Subramanyar, enshrined with his consorts Valli and Deivayanai. Other shrines here include those to Ganesha, Shiva, Parvati and Vishnu. Water springs by name Idumban Sunai, Darbai sunai and Theertha sunai are seen on the hill.

The annual festival here is celebrated in the month of Thai.