Cantilever Stone on Glyder Fach
E951211
Cantilever Stone on Glyder Fach is a famous precariously balanced rock formation in the Glyderau range of Snowdonia, Wales, popular as a dramatic perch for photographs by hikers and climbers.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cantilever Stone on Glyder Fach canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11881278 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cantilever Stone on Glyder Fach Context triple: [Glyderau, hasNotableFeature, Cantilever Stone on Glyder Fach]
-
A.
Penrhyn Slate Quarry
Penrhyn Slate Quarry is a historic and once world-leading slate mine in Bethesda, North Wales, central to the region’s industrial heritage and landscape.
-
B.
Pont Croesor
Pont Croesor is a rural halt and level crossing on the Welsh Highland Railway in North Wales, serving as a scenic stop near the Glaslyn estuary and its surrounding nature reserves.
-
C.
Hafod Arch
Hafod Arch is a historic stone gateway in Wales that once marked the entrance to the Hafod Estate and now stands as a notable landmark within the Blaenavon Industrial Landscape World Heritage Site.
-
D.
Nantlle Valley slate quarries
The Nantlle Valley slate quarries are a historic complex of slate mines in northwest Wales, renowned for their role in the region’s industrial heritage and distinctive quarrying landscape.
-
E.
New Bridge, Hardcastle Crags
New Bridge in Hardcastle Crags is a historic stone footbridge in West Yorkshire, England, providing access to the wooded valley and riverside paths along Hebden Water.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Cantilever Stone on Glyder Fach Target entity description: Cantilever Stone on Glyder Fach is a famous precariously balanced rock formation in the Glyderau range of Snowdonia, Wales, popular as a dramatic perch for photographs by hikers and climbers.
-
A.
Penrhyn Slate Quarry
Penrhyn Slate Quarry is a historic and once world-leading slate mine in Bethesda, North Wales, central to the region’s industrial heritage and landscape.
-
B.
Pont Croesor
Pont Croesor is a rural halt and level crossing on the Welsh Highland Railway in North Wales, serving as a scenic stop near the Glaslyn estuary and its surrounding nature reserves.
-
C.
Hafod Arch
Hafod Arch is a historic stone gateway in Wales that once marked the entrance to the Hafod Estate and now stands as a notable landmark within the Blaenavon Industrial Landscape World Heritage Site.
-
D.
Nantlle Valley slate quarries
The Nantlle Valley slate quarries are a historic complex of slate mines in northwest Wales, renowned for their role in the region’s industrial heritage and distinctive quarrying landscape.
-
E.
New Bridge, Hardcastle Crags
New Bridge in Hardcastle Crags is a historic stone footbridge in West Yorkshire, England, providing access to the wooded valley and riverside paths along Hebden Water.
- F. None of above. chosen
Statements (33)
| Predicate | Object |
|---|---|
| instanceOf |
landmark
ⓘ
rock formation ⓘ tourist attraction ⓘ |
| access | by hiking paths on Glyder Fach ⓘ |
| country | United Kingdom ⓘ |
| geologicalType |
cantilevered rock
ⓘ
precariously balanced rock ⓘ |
| hasReputationFor |
dramatic appearance
ⓘ
precarious balance ⓘ |
| locatedIn |
Glyder Fach
NERFINISHED
ⓘ
Glyderau NERFINISHED ⓘ Gwynedd NERFINISHED ⓘ Snowdonia ⓘ United Kingdom ⓘ Wales ⓘ |
| material | stone ⓘ |
| mountainRange | Glyderau NERFINISHED ⓘ |
| near | summit of Glyder Fach ⓘ |
| notableFor |
exposed position
ⓘ
iconic silhouette ⓘ |
| partOf |
Snowdonia National Park
NERFINISHED
ⓘ
Welsh mountain scenery ⓘ |
| photoSubject |
climbers posing on the edge
ⓘ
hikers standing on the stone ⓘ |
| popularFor |
climbing
ⓘ
hiking ⓘ photography ⓘ |
| region | northwest Wales NERFINISHED ⓘ |
| safetyConsideration |
care required when posing for photographs
ⓘ
risk of falls in high winds ⓘ |
| touristType | natural attraction ⓘ |
| usedAs |
photo perch
ⓘ
viewpoint ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Cantilever Stone on Glyder Fach Description of subject: Cantilever Stone on Glyder Fach is a famous precariously balanced rock formation in the Glyderau range of Snowdonia, Wales, popular as a dramatic perch for photographs by hikers and climbers.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Glyderau