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: 2023-02-10T21:44:03Z
POI has no name
POI types: waterway-waterfall
#organicmaps

"Geschlossen!! Von außen Bretterverschlag. "
OSM snapshot date: 2023-02-27T13:03:31Z
POI has no name
POI types: amenity-restaurant
#organicmaps

"Geschlossen!!"
OSM snapshot date: 2023-02-27T13:03:31Z
POI has no name
POI types: amenity-restaurant
#organicmaps