17. Sirumalai (Dindigul)Sirumalai is a dense forest region with moderate climate throughout the year. With an altitude of 1,600 metres above sea- level, this is one of the tourist places in Tamil Nadu that contains diversified flora and fauna. The hill has 18 hairpin bends. On the 18th bend is a church and a view point of Dindigul city and the "Dindigul Rock Fort". The hill contains a small waterfall as well.