|Location||Nevados National Park, Risaralda|
|Primary outflows||Otún River|
|Surface area||1.5 km2 (0.58 sq mi)|
|Surface elevation||3,900 m (12,800 ft)|
|Official name||Complejo de Humedales Laguna del Otún|
|Designated||25 June 2008|
Lake Otún (Laguna del Otún) is a small lake in the Nevados National Park, in the Risaralda department of Colombia. It located at an altitude of 3,900 m and has an area of 1.5 square kilometres. The lake is of glacial origin and is fed by meltwaters of the Nevado Santa Isabel. Lake Otún is the source of the Otún River, which supplies drinking water to the cities of Pereira and Dosquebradas.
Lake Otún is an important breeding ground for several threatened or endangered bird species, including the Colombian torrent duck (Merganetta armata columbiana), the Colombian ruddy duck (Oxyura jamaicensis andina), the Andean teal (Anas andium) and the Andean snipe (Gallinago jamesoni).
- "Complejo de Humedales Laguna del Otún". Ramsar Sites Information Service. Retrieved 25 April 2018.
- Section 34: Laguna del Otún – Descripción general y biodiversidad Archived 2004-03-30 at the Wayback Machine.