I tend not to think too much about the "amenity" key, to me
amenity=shelter + shelter_type=rock_shelter is very clear this is a non-man
made, natural feature.

A rock overhang is used as a form of shelter and the type of shelter is
made clear by shelter_type.

The wiki is very clear in this regard how these rock overhangs should be
tagged.

https://taginfo.openstreetmap.org/search?q=shelter_type%3Drock_shelter has
almost 500 instances so it's well established now. Given this current usage
in OSM, I'm in favour of not inventing a new tag for this, and aligning
with what's already documented and established.

On Mon, 1 Apr 2019 at 09:09, Warin <61sundow...@gmail.com> wrote:

> I object.
> amenity=shelter I see as a man made object, some with better shelter than
> others.
> I think these should remain in the 'natural key space, possibly
> natural=overhang?
>
> But then what do I know???
>
> amenity=shelter has
> shelter_type <https://wiki.openstreetmap.org/wiki/Key:shelter_type>=
> rock_shelter - A rock shelter is a shallow cave-like opening at the base
> of a bluff or cliff
>
> and that looks to fit perfectly!
>
> I'd not tag them as camp sites, let people evaluate them and the surrounds
> themselves for camping rather than suggest a place.
>
>
> On 01/04/19 08:39, Andrew Harvey wrote:
>
> > when (how deep) does a rock overhang / shelter become an actual cave? :-)
> Some judgement is needed, but the ones I've seen are pretty clear cut as
> being one or the other.
>
> https://wiki.openstreetmap.org/wiki/Tag:amenity%3Dshelter just says "A
> shelter <http://en.wikipedia.org/wiki/Shelter_%28building%29> is small
> place to protect against bad weather conditions." which is mostly what
> these overhangs are used for, so I think it's the appropriate tag. If that
> shelter is frequently used as a camp site (now, not just historically) then
> can be tagged tourism=camp_site with a few extra tags from
> https://wiki.openstreetmap.org/wiki/Tag:tourism=camp_site to help
> distinguish this small camp site from the larger ones.
>
> Is "not meant for sleeping, no cooking or heating equipement inside"
> supposed to be a criteria for a shelter?
>
> I would say no. We should tag the rock overhang for what it is, and use
> tourism=camp_site to say if it's commonly used for sleeping too.
>
>
> On Mon, 1 Apr 2019 at 08:07, Graeme Fitzpatrick <graemefi...@gmail.com>
> wrote:
>
>>
>>
>> On Sun, 31 Mar 2019 at 18:14, Andrew Harvey <andrew.harv...@gmail.com>
>> wrote:
>>
>>> Rock overhangs (rock shelters) have been quite extensively mistagged in
>>> Australia as natural=cave_entrance.
>>>
>>> Are there any objections to re-tagging these overhangs tagged as
>>> natural=cave_entrance to amenity=shelter + shelter_type=rock_shelter?
>>>
>>
>> No real objection, Andrew, but when (how deep) does a rock overhang /
>> shelter become an actual cave? :-)
>>
>> Also noticed in the discussion comments on
>>
>>> https://wiki.openstreetmap.org/wiki/Key:shelter_type
>>>
>>
>> "Can you look if this could be tagged as a shelter ?
>> http://commons.wikimedia.org/wiki/File:Champlitte,_%C3%A9craigne.jpg
>> Tounoki
>> <https://wiki.openstreetmap.org/w/index.php?title=User:Tounoki&action=edit&redlink=1>
>>  (talk
>> <https://wiki.openstreetmap.org/w/index.php?title=User_talk:Tounoki&action=edit&redlink=1>)
>> 14:16, 21 April 2013 (UTC)
>> If it is open to the public, not meant for sleeping, no cooking or
>> heating equipement inside, then yes, you could use amenity
>> <https://wiki.openstreetmap.org/wiki/Key:amenity>=shelter
>> <https://wiki.openstreetmap.org/wiki/Tag:amenity%3Dshelter> +shelter
>> <https://wiki.openstreetmap.org/wiki/Key:shelter>=weather_shelter
>> <https://wiki.openstreetmap.org/w/index.php?title=Tag:shelter%3Dweather_shelter&action=edit&redlink=1>
>> "
>> Is "not meant for sleeping, no cooking or heating equipement inside"
>> supposed to be a criteria for a shelter?
>>
>> Some of the overhangs I've seen are pitch black underneath from many
>> thousands of years of cooking fires, & are acknowledged as places that
>> Aboriginal peoples camped during bad weather - does that mean they're not
>> shelters? (although I don't know what else they would then be?)
>>
>> Thanks
>>
>> Graeme
>>
>
>
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