The dam was built to utilize the tailrace water discharged from the Moolamattom power house of the Idukki Hydroelectric Project.
The project serves as a major source of irrigation for the Muvattupuzha Valley, covering land in both Idukki and Ernakulam districts.
The reservoir area is known locally as a site for bird watching during the migration season.
The dam is constructed across the confluence of the Thodupuzha and Kaliyar rivers.
Malankara Dam is a gravity dam constructed across the Thodupuzha River, primarily serving irrigation purposes for the Idukki district. The dam features a reservoir that covers approximately 11 square kilometers of catchment area. It is an earth dam constructed using a combination of concrete and earthen embankments. The facility is part of the Muvattupuzha Valley Irrigation Project. The reservoir area is utilized for recreational boating activities and water sports. The surrounding landscape consists of undulating hills and lush greenery typical of the Western Ghats region. The dam serves as a critical water management infrastructure for local agriculture.
The crest of the dam overlooking the wide expanse of the reservoir and the spillway gates.
Carry binoculars for bird watching along the reservoir banks.
Check local weather reports during the monsoon season as heavy rains can lead to temporary access restrictions.
Bring water and snacks as there are limited food options immediately on-site.
Attempting to swim in the reservoir, as water currents near the spillways are unpredictable and dangerous.
May close for public entry during high alert periods during the peak monsoon if the shutters are opened for flood discharge.
Maintain silence near the dam embankment; do not litter or disturb the local water wildlife.