Parambikulam Wildlife Sanctuary is a 285 square kilometres (110 sq mi) protected area in Chittur taluk in Palakkad district of Kerala. Established in 1973, it is in the Sungam range of hills between the Anaimalai Hills and Nelliampathy Hills. The Western Ghats, Anamalai Sub-Cluster, including all of Parambikulam Wildlife Sanctuary, is under consideration by the UNESCO World Heritage Committee for selection as a World Heritage Site.[4] The sanctuary is the home of 4 different tribes of indigenous peoples including the Kadar, Malasar, Muduvar and Mala Malasar settled in six colonies. Parambikkulam Wildlife Sanctuary was declared as part of the 391 square kilometres (151.0 sq mi) Parambiculam Tiger Reserve on February 19, 2010.

Trekking in the forest is allowed with prior permission. Boating can be done at the reservoir. The Cannimare Teak Tree, which is said to be Asia's largest, is here near Thoonakkadavu village.

There is a tree-house in the Reserve Forest area in Thoonakkadavu, the headquarters of Parambikkulam, which has to be booked in advance. The Rest Houses of the State Forest Department at Thoonakkadavu, Thellikkal and Elathode offer comfortable lodging.

How to reach Parambikulam

Parambikkulam is only accessible by road from Pollachi, Tamil Nadu. Pollachi to Parambikkulam is about 65 km. The nearest railway station is at Pollachi and the nearest airport is at Coimbatore, Tamil Nadu, about 40 km from Pollachi. Distance from Parambikulam Tiger Reserve, Thunakadavu, Pollachi to Valparai, Tamil Nadu is 86.3 km and takes around 2 h 33 min via Parambikulam Road and SH 78.