Thenmalai Hills is a village in Chengam tehsil in district of Tiruvannamalai, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Thenmalai Hills was N/A which includes N/A males and N/A females. Thenmalai Hills covers 1134.8 ha area. Pincode of Thenmalai Hills is N/A.