Parambikulam Tiger Reserve, which also includes the erstwhile Parambikulam Wildlife Sanctuary, is a 643.66 square kilometres (248.5 sq mi)[2] protected area lying in Palakkad district and Thrissur district of Kerala state, South India.

The Wildlife Sanctuary, which had an area of 285 square kilometres (110 sq mi) was established in part in 1973 and 1984.

People from tribal colonies inside the reserve are engaged as guides for treks and safaris, and are provided employment through various eco-tourism initiatives.

The sanctuary has three man-made reservoirs; Parambikulam, Thunacadavu (Thunakkadavu) and Peruvaripallam, with a combined area of 20.66 km2.

The sanctuary has a rich biodiversity of animal life including mammals (39 species), amphibians (16 sp.

Parambikulam is referred to as the "state capital for the massive gaur" by wildlife experts.

The staff of the tiger reserve engage in picking up these waste materials on a daily basis.

Some of these plastic waste are recycled to make keychains, which are sold at the ecoshops located inside the tiger reserve.

This also results in demand for building new roads inside the tiger reserve, which is not an ecologically friendly option.

[20][21] Quarrying in nearby areas - Demand for construction material such as granite has resulted in the destruction of hills and hillocks in the peripheral regions such as Nelliyampathy.