The Nilgiri Hills are a mountain range located in southern India, primarily in the state of Tamil Nadu. They are part of the Western Ghats and are known for their stunning landscapes, rich biodiversity, and pleasant climate. The hills are home to several hill stations, including Ooty and Coonoor, which attract tourists seeking a cool retreat from the heat of the plains. The region is characterized by lush green tea plantations, dense forests, and a variety of wildlife, including species like the Nilgiri Tahr and the Lion-tailed Macaque. The Nilgiri Hills also play a crucial role in the local ecosystem and are recognized for their unique flora and fauna.