Valavachanur is a village in THANDRAMPET tehsil in district of Tiruvannamalai, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Valavachanur was 2,214 which includes 1,085 males and 1,129 females. Valavachanur covers 244.5 ha area. Pincode of Valavachanur is 606753.