"Website also down"
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: 2025-01-21T15:15:53Z
POI name: Deutscher Kaiser
POI types: tourism-hotel amenity-restaurant
#organicmaps android

"the closing times change seasonally. between nov and march its 16:00 and from april to october 18:00"
OSM snapshot date: 2025-01-21T15:15:53Z
POI name: Gästehaus Kloster Maria-Hilf
POI types: wheelchair-limited tourism-guest_house
#organicmaps android

"opening times change seasonally between closing 16:00 from nov till march and 18:00 from april to october - see the website"
OSM snapshot date: 2025-01-21T15:15:53Z
POI name: Gästehaus Kloster Maria-Hilf
POI types: wheelchair-limited tourism-guest_house
#organicmaps android