Kolli Hills also known as Kolli malai which is part of Eastern Ghats, in Namakkal District, Tamilnadu, India. Kolli Hills is a special place to be explored in south India, and it is famous for its natural beauty, majestic landscapes, and awesome weather. Kolli Hills ranges from 1000 to 1300m in stature and cover an area of 280 km². The road to Kolli Hills is also known as Kollimalai Ghat Road and is one of the most adventurous mountain roads with a length of nearly 46.7 kilometers. There are 70 continuous hairpin bends here. The road starts in Kalappanaickenpatti and ends at the 'mountains of death', popularly known as Kolli Hills. Kolli Hills can be visited in summer, monsoon or winter.