About Thalaiyar falls Kodaikanal is a city in the hills of the Dindigul district in the state of Tamil Nadu, India. It is located about 120 km from Madurai and is a popular tourist destination. Kodaikanal is known for its natural environment, comprising waterfalls, lakes, forests, and hills. Kodaikanal is home to the Kodaikanal International School, an English medium school which is one of the most prestigious schools in India.