Edamalayar

{{Short description|Tributary of the Periyar river, Kerala, India}}

{{Use dmy dates|date=August 2019}}

{{More citations needed|date=July 2024}}

{{Infobox river

| name = Edamalayar River

| image = Edamalayar Beautiful Waterfall DSW.jpg

| image_caption = A waterfall inside Edamalayar forest

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| pushpin_map = Kerala#India

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| mouth_coordinates = {{coords|10.1647122|76.7344053|display=inline}}

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| progression = Periyar River

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File:Edamalayar Forest Original.jpg

Edamalayar or Idamalayar is one of the major tributaries of the Periyar river, the longest river in Kerala, South India.{{Cite web |title=IDAMALAYAR DAM – KSEB Dam Safety Organisation |url=https://dams.kseb.in/?p=89 |access-date=2024-07-19 |language=en-US |quote=The river Idamalayar is a major tributary of Periyar originating from the Anamala Hills at about elevation 2520 m meeting Periyar at about 1.65km upstream of Bhoothathankettu barrage of Periyar Valley Irrigation Scheme.}} Idamalayar Dam is situated in this river. It originates in the Anamalais of Kerala's Ernakulam district, and flows into Tamil Nadu. It re-enters Kerala near Malakkappara, and flows into the Idamalayar Dam. It joins the Periyar near Kuttampuzha.