Contiguous to the Eravikulam National Park and the Indira Gandhi Wildlife Sanctuary, the terrain of park is highly undulating, with varying altitudes. Although it is located in the rain shadow are, nearly 1,000 species of flowering plants are found here.
      Chinnar is also rich in avian diversity and the calls of 225 species of birds have been recorded in the sanctuary. Other animals found here include the spotted deer, rusty sported cat, wild dog, barking deer, bonnet macaque, porcupine and the wild boar. Larger mammals include the sambar, gaur and the elephant. Trekking options abound.