Rabiosa (river)
{{Short description|River in Switzerland}}
{{For|the tributary of the Anterior Rhine (Vorderrhein)|Rabiusa}}
{{infobox river
| name = Rabiosa
| map =
| map_size =
| map_caption =
| image = Rabiosa Passugg.jpg
| image_size =
| image_caption = The Rabiosa
| subdivision_type1 = Country
| subdivision_name1 =
| subdivision_type2 = Location
| subdivision_name2 = Canton of Grisons, Switzerland
| subdivision_type3 = Reference no.
| subdivision_name3 = CH: 321
| length = 7.9 km [https://web.archive.org/web/20140819083326/http://www.hadesdaten.unibe.ch/sites/dateien/de/tab/1_Grundlagen/Tafel_13.txt Länge] bei hadesdaten.unibe.ch.
| width_avg =
| depth_avg =
| source1_location = Am Fulhorn
| source1_coordinates = {{Coord|46.77056|9.50639|type:river_region:CH-GR|format=dms|display=inline,title}}
| source1_elevation =
| mouth_location = Near Meiersboden into the Plessur
| mouth_coordinates = {{Coord|46.834972|9.546028|type:river_region:CH-GR|format=dms|display=inline}}
| mouth_elevation =
| basin_population =
| basin_landmarks =
| progression = Plessur→ {{RRhine}}
| discharge1_location =
| discharge1_min =
| discharge1_avg =
| discharge1_max =
| tributaries_right =
| tributaries_left =
| waterbodies =
| ports =
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| custom_label = References
| custom_data =
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}}
The Rabiosa, also called the Rabiusa{{GeoLexikonSchweiz|Bild=44.0072|Stichwort=Rabiusa or Rabiosa}} or, on in the municipality of Malix, the Landwasser (Alemannic),Schweizerisches Idiotikon Vol. XVI Col. 1820, article [http://www.idiotikon.ch/Register/faksimile.php?&band=16&spalte=1820 Land-Wasser] as well as the relevant National Maps of Switzerland. is a 7.9-kilometre-long, left-hand tributary of the Plessur in the Swiss Canton of Grisons.