Unable to answer "What’s the surface here?" for https://osm.org/way/1016974004 via StreetComplete 55.1:

It's a hiking path with small and large rocks as well as dirt.

Attached photo(s):
https://westnordost.de/p/195385.jpg
https://westnordost.de/p/195386.jpg
https://westnordost.de/p/195387.jpg
https://westnordost.de/p/195388.jpg