This district has several protected areas including Periyar Tiger Reserve in the south, Kurinjimala Sanctuary to the east, Chinnar Wildlife Sanctuary to the northeast, Eravikulam National Park and Anamudi Shola National Park to the north and Pampadum Shola National Park to the south. These protected areas are well known for several threatened and endemic species including tiger, Nilgiri tahr, grizzled giant squirrel, Nilgiri wood-pigeon, elephant, gaur, sambar deer, purple frog and neelakurinji.