"There is a pub/restaurant nearby called Cerveceria Pan de Trigo"
The place has gone or never existed. A CoMaps user reported that the POI was visible on the map (see snapshot date below), but was not found on the ground.
OSM snapshot date: 2025-06-02T08:01:20Z
POI name: La Gaviota
POI types: internet_access amenity-restaurant
#CoMaps android

"Water is no longer freely available here."
OSM snapshot date: 2025-07-13T12:01:25Z
POI name: Cachiça
POI types: drinking_water-yes natural-spring
#CoMaps android

"Just a plot of land with a dirt/gravel surface. Currently it appears to be used as a parking lot (free)."
OSM snapshot date: 2026-01-22T18:08:18Z
POI has no name
POI types: amenity-parking
#CoMaps android 2026.01.24-5-FDroid

"A small shop. The sign just says "Souvenirs"."
OSM snapshot date: 2025-09-06T09:48:08Z
POI has no name
POI types: shop-gift
#CoMaps android

There is another entrance to the Tinto café here (arguably it's the primary entrance).
#CoMaps android

"A local referred to this road as Via Colle Pozzo. My sat nav refers to it as Contrada Colle Pozzo."
OSM snapshot date: 2025-09-06T09:48:08Z
POI has no name
POI types: highway-unclassified
#CoMaps android

"It's unclear to me which weekdays the opening times apply to so I'm guessing.

See here: https://treescloud.online/s/XoiXxGPC8qnqDbY"
OSM snapshot date: 2025-07-13T12:01:25Z
POI name: Café Willendorf
POI types: internet_access-wlan wheelchair-yes amenity-cafe
#CoMaps android

"It's a churreria. Is there a way to mark it as such, so that it turns up in search results?"
OSM snapshot date: 2025-07-13T12:01:25Z
POI name: Linares
POI types: amenity-cafe
#CoMaps android

"Only accessible by walking through the restaurant first"
OSM snapshot date: 2025-08-22T03:20:49Z
POI has no name
POI types: leisure-playground
#CoMaps android

"Opening times have changed"
OSM snapshot date: 2025-06-02T08:01:20Z
POI name: Gelateria Natura
POI types: amenity-ice_cream
#CoMaps android