A Protected Area Born from Ancient Forests
The forests of Kodaikanal have sheltered life for millennia. The Kodaikanal Forest Division was formally constituted in 1982, and in 2013 — through Tamil Nadu Government Order No. 143 of the Environment & Forests Department — the Kodaikanal Wildlife Sanctuary was officially notified under the Wildlife (Protection) Amendment Act 2006. Straddling altitudes from 400 m to 2,500 m above mean sea level, the sanctuary encompasses one of the most vertically diverse landscapes in all of South India.
“The Western Ghats is recognised as one of three mega-centres for endemism in India — and Kodaikanal Wildlife Sanctuary sits at its heart.”
Historically, the region was home to the Paliyan and Pulaiyan communities — skilled forest-dwellers who carried deep knowledge of medicinal plants and lived in intimate relationship with the land. Megalithic sites dating from 5000 BC to 700 BC — dolmens and stone tombs — scattered across the sanctuary speak to thousands of years of human presence in these hills
The Kodaikanal Wildlife Sanctuary spans an extraordinary altitude range, from 400 m in the foothills to over 2,500 m on the upper plateaus. This dramatic elevation change creates a rich diversity of ecosystems within a relatively small area.
At higher elevations, the landscape is dominated by the iconic Shola–Grassland Mosaic, a defining feature of the Palani Hills. Ancient shola forests thrive in sheltered valleys and hollows, where their dense root systems act like natural sponges, releasing water gradually into streams throughout the year.
Surrounding these forests are expansive montane grasslands, shaped over thousands of years by cold temperatures, strong winds, and native grazing wildlife. Studies have identified at least seven distinct grassland patches within the sanctuary.
These grasslands are classified into four major vegetation types:
Arundinella–Chrysopogon,
Chrysopogon–Cymbopogon,
Apluda–Themeda–Cymbopogon Mixed, and
Tripogon Grasslands.
Together, they support approximately 155 flowering plant species, including 13 endemic grass species unique to the region.
“The shola-grassland tract in Kodaikanal Wildlife Sanctuary is regarded as one of the most extensive in the entire Western Ghats — an irreplaceable ecological archive.”
The sanctuary attracts thousands of national and international visitors each year. Whether you come for wildlife viewing, trekking, or simply the restorative quiet of ancient forests, Kodaikanal offers experiences that cannot be found anywhere else.
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