Thiruchengode (Tamil: திருச்செங்கோடு) is a city and municipality located in Namakkal District(Tamil: நாமக்கல் மாவட்டம்), in the southern Indian state of Tamil Nadu. The famous Ardhanareeswarar (see Ardhanarishvara) hill temple (one of the 64 manifestations of Lord Shiva, representing the unity of Shiva and Parvati) is situated in Tiruchengode. This ancient temple is mentioned in the Tamil work Silapathikaram as Neduvelkunru. It is also famous for Chenkottu Velavar (Lord Muruga) Temple, which is situated in the same hill.

In ancient days, Tiruchengode was known as Thirukodimaadachenkundrur - one of the historic places in Tamil Nadu. It was also known as Thiruchengottankudi Nageswaram. It enshrines the Ardhanareeswarar (man-woman) manifestation of Shiva, representing the unity of Shiva and Parvati, is enshrined in this revered hill temple of great significance, accessible by a motorable road; this is an ancient temple mentioned in the Tamil work, Silappadikaram as Neduvelkunru. The red color of the hill is the reason that it was called Chengode. The image above, shows the view of the surrounding area from the top of the Tiruchengode hill. This temple is regarded as the 4th of the 7 Tevara Stalams in the Kongu Region of Tamil Nadu.