Namakkal District was bifurcated from Salem District with Head Quarters as Namakkal with an Order issued by the Government on 25 District started functioning as a separate district with effect from 01-01-1997. It has two Revenue Divisions, Viz., Namakkal and Tiruchengode and four taluks viz., Namakkal, Rasipuram. Tiruchcngode and Paramathi-Velur. In Namakkal, Kottai (Fort) area is on the west and the Pettai (Business) area is on the east and at the centre is the rock Namagiri, which is the source for the town’s name. The fort covers an area of one and a half acres of flat surface and is accessible from the southwest by a flight of narrow steps. The namam (mark) is the white and red graphic symbol of Vishnu. The symbol is depicted with two white and one red vertical lines. Namakkal is called as poultry city. Namakkal is known for the Lorry Transports.
Beautiful river, its constituent streams are Aroychi Aru, Kanappadi Moolai Aru, Maasimalai Aruvi, Nakkattu Aru, and Thazhigai Aru. It Originates in the Siddhan Kuttu Peak (4500) as Vellaipaazhi Aru. At various points of its course in the kolli malai, this river is known as the Arappalli Isvarar Aruvi.
Akasagangai Water Falls
Kolli Hills situated on the Eastern Ghats at an altitude of 1190 meters in Namakkal District. It is situated at 40 Km from Namakkal. Kolli Hills is known for medicinal herbs and plants. Arappaleeswarar Temple, Govt. Herbal Farm, Aiyaru (River), Akasagangai Waterfalls, Botanical Garden, Telescope house are the important tourist attractions.
Arthanari Iswarar Koil
The only Siva temple in Tamil Nadu dedicated to the Halved-woman lord. The temple is situated on the Thiruchengode Mountain at a height of 465 meters. The chief deity is a statue of 5’ high and is believed to have been created by siddhas out of an herbal compound.
This Siva temple is known as the Keezh Kovil (Lower temple) with reference to its location in the town as against the Mael Kovil (upper temple) of Arthanari Isvarar which is up on the hill. Its chief deity was referred to as Vikrama, Pandeeswarar after the Pandian King Vikrama who is said to have begun the construction of the temple.
Kolli Hills / Kolli Water Falls
Kolli Hills is a major mountain range and is an outliner of the Eastern Ghats. It is eighteen miles (28 Kilometers) long (North South) twelve miles (19 Kilometers) wide (East/West) and covers approximately 400 square miles.