[Tagging] Incorrectly tagging locks on rivers as canals

Dave F davefoxfac63 at btinternet.com
Thu Apr 25 12:01:13 UTC 2019

Have these diversions been given a 'XYZ Canal' name? if not then it's a 

I think the duck test needs to be applied.


On 25/04/2019 11:25, Richard Fairhurst wrote:
> DaveF wrote:
>> The water flowing through it is still river water.
> The water flowing down lots of canals is ultimately river water :) - the
> Llangollen Canal is fed by the River Dee, the Mon & Brec by the Usk, and so
> on.
> Generally, where a lock has been built, this is in an artificial cut
> slightly away from the main flow of the river. This is usually referred to
> as the "lock cut". In some places this is not that much longer than the lock
> itself (often the case on the Thames), whereas in others it can be
> significantly longer (the Aire & Calder/Calder & Hebble). Meanwhile, the
> main course continues over the weir.
> As "cut" is usually a synonym for "canal" and they're artificially
> constructed, it's fairly justifiable to describe a lock cut as
> waterway=canal, I think. I guess you could put the whole lot in a river
> navigation relation if that... floats your boat?
> cheers
> Richard
> --
> Sent from: http://gis.19327.n8.nabble.com/Tagging-f5258744.html
> _______________________________________________
> Tagging mailing list
> Tagging at openstreetmap.org
> https://lists.openstreetmap.org/listinfo/tagging

More information about the Tagging mailing list