Heddøla

{{short description|River in Telemark, Norway}}

{{Use dmy dates |date=August 2023}}

{{Infobox river

|name = Heddøla

|name_native =

|name_native_lang =

|name_other = Heddalselva

|etymology =

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|map =

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|pushpin_map = Telemark#Norway

|pushpin_map_caption = Location of the river

|subdivision_type1 = Country

|subdivision_name1 = Norway

|subdivision_type2 = County

|subdivision_name2 = Telemark

|subdivision_type3 = Municipalities

|subdivision_name3 = Notodden, Hjartdal

|length = {{convert|20|km|mi|abbr=on}}

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|source1 =

|source1_location = Sauland, Hjartdal

|source1_coordinates = {{coord|59.61366|8.955423}}

|source1_elevation = {{convert|78|m}}

|mouth = Heddalsvatnet

|mouth_location = Yli, Notodden

|mouth_coordinates = {{coord|59.554199|9.2287731|display=inline,title}}

|mouth_elevation = {{convert|16|m}}

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}}

Heddøla is a river in the municipalities of Hjartdal and Notodden in Telemark county, Norway. It starts from the junction of the rivers Hjartdøla and Skogsåa in the village of Sauland and it flows through the Heddal valley ending at the lake Heddalsvatnet.{{Cite encyclopedia |title=Heddøla |encyclopedia=Store norske leksikon |publisher=Kunnskapsforlaget |location=Oslo |url=http://www.snl.no/Heddøla |last=Thorsnæs |first=Geir |language=Norwegian |accessdate=20 August 2011}}