This is not a complete alley. This appears to be someone's driveway.

via StreetComplete_ee 53.0

Attached photo(s):
https://westnordost.de/p/149243.jpg

Missing alley here

via StreetComplete_ee 53.0

Attached photo(s):
https://westnordost.de/p/149242.jpg

"Bay: "Sedge Bay""
POI name: Yellowstone Lake
POI types: natural-water
OSM data version: 2019-04-19T10:36:02Z
#mapsme

sand point

pumice point

foot path

"Hospital/Clinic"
POI has no name
POI types: building
OSM data version: 2018-05-26T22:39:02Z
#mapsme

"The restaurant has been closed for a long time"
The place has gone or never existed. A user of Organic Maps application has reported that the POI was visible on the map (see snapshot date below), but was not found on the ground.
OSM snapshot date: 2022-06-13T12:43:18Z
POI name: Lake Hotel Dining Room
POI types: amenity-restaurant
#organicmaps