Tag:waterway=rapids
 waterway = rapids
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| Description |
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rapids, a fast-flowing and turbulent section of a waterway which is not a waterfall. Also see the newer tag whitewater:rapid_grade=*  
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| Group: waterways |
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| Status: in use |
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The tag waterway=rapids is used for whitewater rapids, a fast-flowing, often turbulent, section of a watercourse such as a river, often containing exposed rocks or boulders. Also see the newer tags whitewater:rapid_grade=* and whitewater:section_grade=* which are still less common but have been gradually increasing in use.
How to map
- As node:
- Add
waterway=rapidsto a node shared with thewaterway=riverat the location of the rapids, and add thename=*if known.
- As line:
- Draw a linear way along the centre line. In this case it is still necessary to map the centre line of the river with
waterway=river. - This could be extended with additional information with
whitewater:rapid_grade=*andwhitewater:section_grade=*, with the option of usingwhitewater:rapid_grade=unknown. Although some prefer to apply these tags towaterway=riverinstead.
- As area:
- For the sake of consistency, please consider using
natural=water+water=rapidsto indicate part of river area containing rapids. In that case duplicate water=river or waterway=rapids area is not created. - Some mappers have used
waterway=rapidsas a closed way around the area of the rapids. This is an obsolete way to be, please prefer now the first solution.
Similar tags
waterway=waterfall- for a vertical drop in a stream or river, generally not navigable by boats.whitewater:rapid_grade=*- allows tagging the difficulty grade of navigating the rapid, according to the international systemwhitewater:section_grade=*- for tagging the difficulty grade of a whole section of a river.whitewater:rapid_name=*andwhitewater:section_name=*- the name of the rapid (can be added to the same feature aswaterway=river)- whitewater sports - alternative tagging system.