A landlocked district. Idukki is one of the most nature rich areas of Kerala. This beautiful High range district of Kerala is geographically known for its Mountainous Hills and Dense Forests. For the people of Kerala, Idukki is always associated with Power Generation. About 66% of the State's Power needs come from the Hydroelectric Power Projects in Idukki. Idukki accounts for 12.9 percent of the area of Kerala and only 3.7 percent of the population of Kerala. About 50% of its area is Reserved Forests.

 The climate in the district undergoes a sudden variation as we go from West to East. The western parts of the distirct comprising midland area experiences moderate climate, temperature varying between 21degree C to 27degreeC with minimum seasonal variation.

 The eastern parts of the district located in the highland have a comparitively cold climate with temperature varying between minus 1 degreeC to 15 degree C in november/january and 5 degree C to 15 degree C during March/April

 The district receives plenty of rains from both the South- West monsoon during June-August and the North- East monsoon during October - November. The normal rainfall is 3265 mm. As common to other parts of the state, the Idukki districtt also experiences both the south-west monsoon (Edavappathy) and North-East Monsoon (Thulavarsham) during June-July and October -November respectively. The former is more predominat with June experiencing the maximum rainfall.