Viripara Weir is a Diversion weir constructed across Upper Kallar river which is a tributary of Pooyankutty river in Mankulam village of Idukki district in Kerala, India. The water flows from the dam to Menachery river and flows through the taluk of Devikulam. The Viripara weir is constructed as an augmentation scheme to Neriamangalam Hydro Electric Project. Upper Kallar, a tributary of Pooyankutty river is diverted in to Kallarkutty reservoir by a low diversion weir at Viripara along with a short diversion tunnel.
Specifications Latitude : N Longitude: E Panchayath : Mankulam Village : Mankulam District : Idukki River Basin : Periyar River : Upper Kallar Release from Dam to river : Menachery ar Type of Dam : Masonry Classification : Weir Full Reservoir Level ( FRL) : EL 1141.59 m Maximum Water Level (MWL) Storage at FRL : Diversion only Height from deepest foundation :4.57m Length Taluk through which release flows : Devikulam Spillway : Overflow weir Year of completion :1961 Crest Level : EL 1141.59 m Name of Project : Neriamangalam HEP River Outlet : Nil Purpose of Project : Hydro Power
Tourism The Dam site is a favourite picnic spot and there are two waterfalls called Viripara Falls and Nakshathrakuthu Falls.
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