Coonoor ( pronunciation ) is a Taluk and a municipality in the Nilgiris district in the state of Tamil Nadu, India. It is known for its production of Nilgiri tea. Coonoor is located at an altitude of 1,850 m above sea level, and is the second largest hill station in the Nilgiri hills after Ooty. It is an ideal base for a number of trekking expeditions leading into the Nilgiris. The Nearest airport is Coimbatore International Airport about 79 km from Coonoor town. As of 2011, the town had a population of 45,494.