| Numerous larger and smaller tributary rivers bear the name of the Rhine or equivalent in various Romansh idioms like Rein or Ragn. |
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| However, federal laws and other official acts do not need to be decreed in Romansh. |
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| Romansh came to be a written language, and therefore it is recognized as a language, even though it is very close to the Lombardic alpine dialects. |
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| Switzerland's fourth official language, Romansh is spoken by around 34,000 people, mostly residing in small mountain towns in the north-eastern canton of Grisons. |
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