Saandhu ……………………………………………………………………………………………………….. Abstract Thadagam Valley is part of Periyanaickan Palayam Block of Coimbatore North Taluka, of Coimbatore District, Tamil Nadu, India. It is a valley located in the Western Ghats and is part of the Brahmagiri-Nilgiri-Eastern Ghat Elephant Landscape and Coimbatore Elephant Reserve (Elephant Reserve No.8). It has been identified as one of the important migratory routes the elephants of Coimbatore Elephant Reserve. It is also the location where Sanganur Stream, a major tributary of Noyyal River originates. Four revenue villages are located in the valley. Thadagam Reserve Forest - designated as an ESA - surrounds these villages. Out of these four, three are HACA (Hill Area Conservation Authority) designated villages and one (24 Veerapandi) is an ESA (Eco-Sensitive Area) designated village. This paper discusses about the damages caused to these HACA and ESA villages by the illegal brick kiln clusters. The Elephant ...