Valavanthangal is a village in Chengalpattu tehsil in district of Kancheepuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Valavanthangal was 449 which includes 235 males and 214 females. Valavanthangal covers 75.82 ha area. Pincode of Valavanthangal is 603105.