The journey from Perinthalmanna to Idukki covers 170 km. You can travel via bus. The route involves hilly terrain. Expect a travel time of 5 to 6 hours. Idukki is famous for its arch dam and hill stations.
Total Distance: 170 km by road, 140 km straight-line.
Buses are less frequent; check schedules.
September to March for pleasant weather.