Nanmangalam Reserve Forest is a protected forest located in Chengalpattu district, about 24 km from the city centre. It is located at Medavakkam on Velachery High Road between Velachery and Tambaram. The reserve forest has an area of 320 hectares. However, the total area of the forest is 2,400 hectares.[1]
The 320-hectare Nanmangalam Reserved Forest, located about 10 km from Velachery, is a scrubland around an abandoned granite quarry[3] and is home to some of the rare territorial orchids, according to a recent study.[4]