[Tagging] River crossing grade

[Adam Franco]

On Thu, Jan 27, 2022 at 1:38 PM Sinus Pi <sinus+osmtag at sinpi.net> wrote:

> Martin wrote:
> >   with water_crossing=boat I would expect to have to bring my own boat
> with me
>
> If I was expected to bring my own boat, then what kind of "crossing" would
> that be, other than the path ending on one bank and continuing on the
> other? We're mapping actual features, so as much peculiar as it would seem,
> with "water_crossing=boat" I would definitely expect to find a boat there
> (or, more likely, evidence of there once being a boat, long since sunken or
> vandalized or stolen).
>
> On Thu, Jan 27, 2022 at 12:17 PM Martin Søndergaard <
sondergaard246 at gmail.com> wrote:

> Although, not sure what the difference between water_crossing=swim and
> water_crossing=boat would be.
>

In OSM we're tagging "what's on the ground" (or water-surface). If there is
a boat there to use, then water_crossing=boat makes sense. If there is deep
water, but you must bring your own boat or swim, is there really a
highway=path there? There may be a legitimate route that traverses the
river, but it doesn't sound like a highway=path in that section to me.

I remember hearing tell of a particular hiking route that crossed a deep
river. Options were swimming, or if you were lucky, hiring a ride from a
passing boat. A deep water crossing like that makes sense to map in some
way for routing connectivity, but ferry isn't necessarily right if there
isn't actually ferry service or other infrastructure there.
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