Carn Menyn
E519373
Carn Menyn is a rocky outcrop in the Preseli Hills of Pembrokeshire, Wales, noted as a key source of the bluestone used in the construction of Stonehenge.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Carn Menyn canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T5413946 — 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: Carn Menyn Context triple: [Preseli Hills, hasArchaeologicalSite, Carn Menyn]
-
A.
Y Trallwng
Y Trallwng is the Welsh name for the market town of Welshpool in Powys, mid Wales.
-
B.
Pomes Penyeach
Pomes Penyeach is a short collection of poems by James Joyce, first published in 1927 and known for its lyrical, intimate reflections on love, loss, and memory.
-
C.
Gwenhwyfar
Gwenhwyfar is the Welsh form of the name Guinevere, famously associated with the legendary queen of King Arthur in Arthurian mythology.
-
D.
Men of Harlech
"Men of Harlech" is a traditional Welsh song and military march, widely recognized as a stirring anthem associated with Welsh identity and regimental ceremonies.
-
E.
Carn a’ Ghaill
Carn a’ Ghaill is the summit that forms the highest point on the Scottish island of Canna in the Inner Hebrides.
- 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: Carn Menyn Target entity description: Carn Menyn is a rocky outcrop in the Preseli Hills of Pembrokeshire, Wales, noted as a key source of the bluestone used in the construction of Stonehenge.
-
A.
Y Trallwng
Y Trallwng is the Welsh name for the market town of Welshpool in Powys, mid Wales.
-
B.
Pomes Penyeach
Pomes Penyeach is a short collection of poems by James Joyce, first published in 1927 and known for its lyrical, intimate reflections on love, loss, and memory.
-
C.
Gwenhwyfar
Gwenhwyfar is the Welsh form of the name Guinevere, famously associated with the legendary queen of King Arthur in Arthurian mythology.
-
D.
Men of Harlech
"Men of Harlech" is a traditional Welsh song and military march, widely recognized as a stirring anthem associated with Welsh identity and regimental ceremonies.
-
E.
Carn a’ Ghaill
Carn a’ Ghaill is the summit that forms the highest point on the Scottish island of Canna in the Inner Hebrides.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
geological formation
ⓘ
hill ⓘ rocky outcrop ⓘ |
| access | via footpaths across Preseli Hills ⓘ |
| associatedWith | Stonehenge NERFINISHED ⓘ |
| category |
Archaeological sites in Pembrokeshire
ⓘ
Preseli Hills NERFINISHED ⓘ Rock formations of Wales ⓘ |
| country | Wales ⓘ |
| distanceTo | approximately 220 km from Stonehenge (straight line) ⓘ |
| elevation | approximately 365 metres ⓘ |
| geologicalPeriod | Ordovician ⓘ |
| hasAlternativeName |
Carn Meini
NERFINISHED
ⓘ
Carn Menyn (Carn Meini) outcrops ⓘ |
| hasArchaeologicalSignificance |
prehistoric quarrying evidence in vicinity (debated)
ⓘ
source area for megaliths ⓘ |
| hasConservationStatus | within a protected landscape (national park) ⓘ |
| hasDebatedClaim | primary source of all Stonehenge bluestones ⓘ |
| hasFeature |
extensive dolerite outcrops
ⓘ
multiple tors and crags ⓘ |
| hasNearbySite |
Bedd Arthur stone circle
NERFINISHED
ⓘ
Carn Goedog NERFINISHED ⓘ Foel Drygarn hillfort NERFINISHED ⓘ |
| hasResearcher | linked to work by geologist Herbert Thomas ⓘ |
| hasViewOf | north Pembrokeshire landscape ⓘ |
| isIn | Celtic Sea climatic region ⓘ |
| languageOfName | Welsh ⓘ |
| locatedIn |
Pembrokeshire
NERFINISHED
ⓘ
Preseli Hills NERFINISHED ⓘ United Kingdom ⓘ Wales ⓘ north Pembrokeshire ⓘ |
| materialType | spotted dolerite ⓘ |
| near | Mynydd Preseli ridge NERFINISHED ⓘ |
| notedFor | being a key source of Stonehenge bluestones ⓘ |
| overlooks |
Glyn Clydach
NERFINISHED
ⓘ
Preseli uplands NERFINISHED ⓘ |
| partOf | Pembrokeshire Coast National Park NERFINISHED ⓘ |
| region | southwest Wales NERFINISHED ⓘ |
| rockType | igneous rock ⓘ |
| subjectOf |
archaeological research on Stonehenge bluestone provenance
ⓘ
geological provenance studies ⓘ |
| tourism | visited by walkers and hikers ⓘ |
| usedAs | prehistoric stone source ⓘ |
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: Carn Menyn Description of subject: Carn Menyn is a rocky outcrop in the Preseli Hills of Pembrokeshire, Wales, noted as a key source of the bluestone used in the construction of Stonehenge.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.