Idukki district is the second largest District of Kerala. The district borders the Kerala districts of Pathanamthitta to the south, Kottayam to the southeast, Ernakulam to the northeast and Thrissur to the north and Coimbature, Dindigul and Theni Districts in Tamilnadu to the east.
Anamudi, the highest peak in India south of Himalayas, is in the Kuttampuzha Panchayat of Adimali Block, in the K.D.H Village of Devikulam taluk. 13 other peaks in the district exceed a height of 2,000 m. The Periyar, Thodupuzhayar and Thalayar are the important rivers of the district.
This district has several protected areas including: Periyar Tiger Reserve in the south, Kurinjimala Sanctuary to the east, Chinnar Wildlife Sanctuary to the north east, Eravikulam National Park and Anamudi Shola National Park to the north, Pampadum Shola National Park to the south and Thattekkad Bird Sanctuary in the west. These protected areas are especially known for several threatened and endemic species including Tiger, Nilgiri Thar, Grizzled Giant Squirrel, Nilgiri Wood-pigeon, Elephant, Gaur, Sambar Deer, and Neelakurinji.
Web : http://en.wikipedia.org/wiki/Idukki_district