Gangalamahadevi is a village in Kalasappakkam taluk, Tiruvannamalai district, Tamil Nadu. Its LGD code is 631795 and it covers 1.092 km². Category: Rural.
Bordering villages: Parvathiamalai R.F, Nallanpillaipetral, Athamangalam, Kettavarampalayam, ARUNAGIRIMANGALAM.
Boundary from the Survey of India village boundary database. All villages in Tamil Nadu