The Kodaikanal–Munnar Road was located in Dindigul District and Theni District of Tamil Nadu and Idukki district of Kerala in South India. It covers 81 kilometers (50 mi) from Kodaikanal to Munnar. The road was improved by the British in 1942 as an evacuation route in preparation for a possible Japanese invasion of South India. With a maximum elevation of 2,480 meters (8,140 ft) just south of Vandaravu Peak, it was among the highest roads in India, south of the Himalayas, prior to its closure in 1990.

Kodaikanal is a town and hill station in Dindigul district in the state of Tamil Nadu, India. It is situated at an altitude of 2,225 m (7,300 ft) in the Palani hills of the Western Ghats. Kodaikanal was established in 1845 to serve as a refuge from the high temperatures and tropical diseases during the summer in the plains. It is a popular tourist destination and is referred to as the "Princess of Hill stations" with much of the local economy is based on the hospitality industry serving tourism. As per the 2011 census, the city had a population of 36,501.