The Mudumalai National Park and Wildlife Sanctuary (Tamil:முதுமலை தேசிய பூங்கா மற்றும் விலங்குகள் சரணாலயம்) also a declared tiger reserve, lies on the northwestern side of the Nilgiri Hills (Blue Mountains), in Nilgiri District, about 150 kilometers north-west of Coimbatore city in Kongu Nadu region of Tamil Nadu.