- Periyar National Park is located in the districts of Idukki and Pathanamthitta in Kerala, India.
- It is famous for its significant population of Indian elephants.
- In 1899, the areas surrounding Periyar Lake had been designated as forest reserves and given the name Periyar Lake Reserve.
- In 1934, the Maharaja of Travancore granted protection to an area of approximately 777 square kilometers (300 square miles), which later became the Periyar Wildlife Sanctuary.
- In 1978, the sanctuary was declared a tiger reserve under the Project Tiger initiative.
- In 1982, the Government of India declared the Periyar Wildlife Sanctuary as Periyar National Park.
- In1992, the Project Elephant was launched with Periyar National Park serving as the launch pad.
- Area: The park covers an area of 305 km2 (118 sq mi).
- Hills: This park is situated in the Cardamom Hills and Pandalam Hills of the Western Ghats.
- River: The park is bisected by two major rivers:
- Periyar River
- Pamba River
- Lake: Periyar lake situated wuithin the park, which is one of the unique features of the park. It was formed as a result of the Mullaperiyar Dam constructed across the Periyar River.
- Flora: Evergreen Forests ( teak, rosewood, ebony, jackfruit, and many species of fig trees), Moist Deciduous Forests (teak, sal, sandalwood, and silver oak), Grasslands etc.
- Fauna: Bengal Tigers, Asian Elephant, Gaur, Sambar, Travancore Flying Squirrel, Dhole, Sloth Bear, Nilgiri Tahr, Lion-tailed Macaque, Nilgiri Langur, Malabar Grey Hornbill, Nilgiri Wood Pigeon, Malabar Pit Viper, Striped Coral Snake, Malabar Gliding Frog etc.