Idukki Arch Dam: A technological marvel, this magnificent parabolic structure is the world's second and Asia' first arch dam, constructed across the Kuravan and Kurathi Hills, 5550 ft high and 650 ft wide, the dam lies close to the Cheruthoni barrage. To its west is the Kulamavu Dam. The Idukki wildlife sanctury is located close by.
Idukki wildlife sanctuary: This sanctuary extends over the Thodupuzha and Udumpanchola taluks of Idukki district, spreading over 77sq. km and is about 450-748 m above sea level. The Idukki Reservoir three dams.Cheruthoni Idukki and Kulamavu-extends to 33 sq.km.
Animals: Elephant, Bison, sambar deer, wild dog, jungle cat, tiger, wild boar etc, Snakes: Cobra, viper, krait and a number of non-poisanous snakes, Birds:Jungle fowl, laughing thrush, black bulbul, peafowl, woodpecker, kingfisher etc.
Malankara Dam: (6 km from Thodupuzha) and artificial lake spread over 11 km, the reservoir is a popular picnic spot.
Annamalai Temple, Karikodu: The 1800-year old temple dedicated to Lord Siva in built in the Chola style of architecture and remains as it were, even today. It has a window with nine latices pointing to the Navagrabas or nine planets.
Karikodeu Bhagavathy: (Open 05000-1100 hrs, 1700-2000 hrs) This temple opposite the Annamalai Temple ia about 460 years old. The Kumbha Bharani here is the most famous festival in the central region, drawing lakha of devotees.
Nainar Masjid, Karikodu: The largest and the oldest mosque in Idukki, stone steps bearing inscriptions of an ancient script are found here.
Thumpachi Calveri Samuchayam: (35 km from Thodupuzha) This is a picnic spot also ideal for meditation, relaxation and watching the sunset.
Kulamav: (20 km) Trekking trail-view point Painav: Trekking trail-evergren forest , Cherithoni: Idukki Arch Dam-reservoir-hill view park.
Kalvary Mount/Kalliyanathandu: (10 km from Idukki) This famous Christian pilgrimage site perched atop a hiss an aerial view of the Idukki reservoir and its surrounding peaks and forest. It is also an ideal place for mountain climbers and trekkes. Guided trekking can be avialed from here to nearby places. During Lent, the area turns into pilgrimages centre as Christians go in a procession up the hillock.