Karpaga Vinayagar koil is one of the oldest Cave Temples (Rock Cut) temples of Tamilnadu and situated at Pillayarpatti, which is between Pudukkottai and Karaikkudi. The nearest airport is at Tiruchirappalli, Chennai. Rameswaram Express and Kamban Express travel to these two railheads.

The town of Pillaiyarpatti is named after 'Pillayar' - the tamil name for Ganesha, and this ancient temple houses rock cut images of Shiva, Lingodbhavar and others as well as several other shrines.