- External links
{{Infobox river
| name = Sededema
| image =
| image_caption =
| source1_location =
| mouth_location =
| length = {{convert|567|km|mi|abbr=on}}
| source1_elevation =
| discharge1_avg =
| basin_size = {{convert|18500|km2|sqmi|abbr=on}}
}}The Sededema ({{lang-ru|Седедема}}) is a river in Sakha Republic, Russia. It is a left tributary of the Kolyma River. External links - {{GSEn|Седедема|Sededema River}}
- {{GVR|268360|Sededema River}}
{{coord|67.0938|N|153.0278|E|source:wikidata|display=title}}{{Russia-river-stub}} 1 : Rivers of the Sakha Republic |