[Tagging] Gorges, Canyons, Ravines: natural=valley or new tag?
andrew.harvey4 at gmail.com
Wed Aug 14 03:26:35 UTC 2019
To me a canyon is narrow with steep cliffs on either side (a place where
you'd go canyoning https://en.wikipedia.org/wiki/Canyoning) and a gorge is
much wider and may have less steep sides.... but then you have the Grand
Canyon in the US which is wide and less steep sides.
I'd vote for separate tags natural=canyon, etc. Because a valley is very
different to a canyon so you'd want to be explicit about this.
As an aside, I think route=canyon is good for documenting recreational
On Wed, 14 Aug 2019 at 12:25, Joseph Eisenberg <joseph.eisenberg at gmail.com>
> A few months ago we discussed how to tag gorges, canyons and ravines.
> These are steep-sided valleys, sometimes with cliffs.
> Myself and at least one other person were in favor of using
> natural=valley, + valley=ravine / valley=gorge / valley=canyon.
> However, there is already a non-English wiki page for natural=canyon, and
> a new English page for natural=gorge - the author of the gorge page thought
> that he would like a single tag, rather than a secondary tag with
> This would be a little more work for database users, and also you would
> have to pick natural=valley vs =gorge/canyon/etc.
> Also, Wikipedia basically says ravine, gorge and canyon are synonyms,
> though as an American from the West, I tend to think of canyons as having
> vertical, rock cliffs, vs ravines and gorges as less steep, but this may be
> a dialectal difference.
> Thoughts on this?
> Tagging mailing list
> Tagging at openstreetmap.org
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