Deduplicating and removing inconsistencies in the information on those pages sounds like a good idea to me, but I would suggest creating a thread in the community forum. You will probably get more comments there than here or on the Wiki discussion page.

@dieterdreist: many peaks have a wikidata tag, the wikidata items for mountains often in turn link to the items for the mountain ranges they are in, and these are organised in a hierarchy :-) so someone who is looking for this data should be able to find it there!

The natural=massif Wiki page is a byproduct of this community forum discussion in German about the topic.

Really interesting analysis, thanks!

That took about 3 days 😅

This sort of thing can be done with Geodesk in a few minutes, though it requires first downloading a planet file or extract and then preprocessing it once (this step takes about half an hour on an SSD for the full planet).

Thanks for the write-up.

I’ve noticed that there are about 800 place=island or place=islet nodes with a GNIS tag, many apparently from the old import, where the same island is also mapped as an area. An example is here: https://www.openstreetmap.org/node/357581849

I’ve made a MapRoulette challenge, set to non-discoverable for now. I would welcome feedback if any more experienced mappers / MapRouletters have any thoughts on this. https://maproulette.org/challenge/42539/

Great post! I’ve added the tag to Jersey’s Martello towers. Now we just need a tag for the earlier round towers in Jersey that are commonly called Martello towers but precede the “true” ones by two decades… https://www.theislandwiki.org/index.php/Coastal_towers

Re questions 1 and 2: I think it would be great if we had an app to systematically add smoothness data to OSM, if it can be confirmed that the accelerometer measurements correlate well with OSM’s definition of the smoothness tag. This data is missing from many ways and adding it could benefit a lot of users: I know GraphHopper and OSRM already take this tag into account, as do CycleStreets and some Brouter profiles.

StreetComplete has a quest for adding it, but in my experience it’s hard to make the correct decision when walking, because the tag is about movement on wheels. When cycling or driving, you eventually develop an intuitive understanding of how the different values feel. A well working app could average observations (while still making sure that every change is reviewed and attributed to one user), improve objectivity, and help beginners make the decision between similar values.