The longest river in Kerala
The river was known as 'Churni' in ancient times
Length - 244 km.
Origin - Sivagiri Hills in Tamil Nadu
The river mentioned by Shankaracharya as 'Poorna'
Aluvapuzha, the river known as Kaladipuzha
Districts where Periyar flows - Idukki and Ernakulam
The river where the Idukki hydroelectric project, the largest hydroelectric project in Kerala, is located
The river with the largest number of hydroelectric projects in Kerala
The most dammed river in Kerala
It is the most tributary river in Kerala
Year of flood in Periyar - A . D .1341
Periyar's fall location - Vembanath Kayal
