Fan Brycheiniog
E684414
Fan Brycheiniog is a prominent mountain peak in the Brecon Beacons National Park in Wales, known for its sweeping moorland plateau and dramatic escarpments overlooking the remote uplands of Carmarthenshire and Powys.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Fan Brycheiniog canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7718717 — 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: Fan Brycheiniog Context triple: [Black Mountain (Brecon Beacons), hasHighestPoint, Fan Brycheiniog]
-
A.
Glyn
Glyn is a given name that can be used for people of any gender, originating from Welsh and typically meaning "valley."
-
B.
Penygraig
Penygraig is a village and community in the Rhondda Valley of Rhondda Cynon Taf, Wales, historically associated with coal mining and close to the town of Tonypandy.
-
C.
Glyn Ceiriog
Glyn Ceiriog is a small former slate-mining village in the Ceiriog Valley in Wrexham County Borough, Wales, known for its scenic rural setting.
-
D.
Brynaman
Brynaman is a village in Carmarthenshire, Wales, situated on the edge of the Black Mountain in the Brecon Beacons and known historically for its coal mining heritage.
-
E.
Creiglyn Dyfi
Creiglyn Dyfi is a remote mountain lake in southern Snowdonia, Wales, known as the source of the River Dyfi and for its dramatic, rugged surroundings.
- 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: Fan Brycheiniog Target entity description: Fan Brycheiniog is a prominent mountain peak in the Brecon Beacons National Park in Wales, known for its sweeping moorland plateau and dramatic escarpments overlooking the remote uplands of Carmarthenshire and Powys.
-
A.
Glyn
Glyn is a given name that can be used for people of any gender, originating from Welsh and typically meaning "valley."
-
B.
Penygraig
Penygraig is a village and community in the Rhondda Valley of Rhondda Cynon Taf, Wales, historically associated with coal mining and close to the town of Tonypandy.
-
C.
Glyn Ceiriog
Glyn Ceiriog is a small former slate-mining village in the Ceiriog Valley in Wrexham County Borough, Wales, known for its scenic rural setting.
-
D.
Brynaman
Brynaman is a village in Carmarthenshire, Wales, situated on the edge of the Black Mountain in the Brecon Beacons and known historically for its coal mining heritage.
-
E.
Creiglyn Dyfi
Creiglyn Dyfi is a remote mountain lake in southern Snowdonia, Wales, known as the source of the River Dyfi and for its dramatic, rugged surroundings.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Hewitt
ⓘ
Marilyn ⓘ Nuttall ⓘ mountain ⓘ |
| country | Wales ⓘ |
| elevation |
2631 feet
ⓘ
802 metres ⓘ |
| formedIn | Devonian period NERFINISHED ⓘ |
| geology | Old Red Sandstone NERFINISHED ⓘ |
| gridReferenceUK | SN 825217 ⓘ |
| hasClimbingDifficulty | non-technical ⓘ |
| hasDesignation | Site of Special Scientific Interest ⓘ |
| hasLandform |
escarpment
ⓘ
moorland plateau ⓘ |
| hasNearbyLake |
Llyn y Fan Fach
NERFINISHED
ⓘ
Llyn y Fan Fawr NERFINISHED ⓘ |
| hasNearbyPeak |
Fan Foel
NERFINISHED
ⓘ
Fan Hir NERFINISHED ⓘ |
| hasSummitFeature |
stone shelter
ⓘ
trig point ⓘ |
| hasWelshName | Fan Brycheiniog NERFINISHED ⓘ |
| isHighestPointOf | Carmarthenshire NERFINISHED ⓘ |
| isPartOf | Black Mountain (Y Mynydd Du) NERFINISHED ⓘ |
| isPopularFor |
fell running
ⓘ
hiking ⓘ hillwalking ⓘ |
| isWithin | Fforest Fawr Geopark NERFINISHED ⓘ |
| languageOfName | Welsh ⓘ |
| liesNorthOf | Carmarthenshire NERFINISHED ⓘ |
| liesSouthOf | Powys NERFINISHED ⓘ |
| locatedIn |
Brecon Beacons National Park
NERFINISHED
ⓘ
Carmarthenshire NERFINISHED ⓘ Fforest Fawr NERFINISHED ⓘ Powys NERFINISHED ⓘ |
| nearestTown | Llandovery NERFINISHED ⓘ |
| nearestVillage | Glyntawe NERFINISHED ⓘ |
| offersViewOf |
Black Mountain (Y Mynydd Du)
NERFINISHED
ⓘ
Brecon Beacons NERFINISHED ⓘ Carmarthen Fan escarpment NERFINISHED ⓘ |
| overlooks |
Carmarthenshire uplands
ⓘ
Powys uplands NERFINISHED ⓘ |
| partOf | Brecon Beacons NERFINISHED ⓘ |
| prominence | approximately 196 metres ⓘ |
| range | Brecon Beacons NERFINISHED ⓘ |
| typicalAccessPoint |
Glyntawe
NERFINISHED
ⓘ
Llyn y Fan Fawr car park ⓘ |
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: Fan Brycheiniog Description of subject: Fan Brycheiniog is a prominent mountain peak in the Brecon Beacons National Park in Wales, known for its sweeping moorland plateau and dramatic escarpments overlooking the remote uplands of Carmarthenshire and Powys.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Black Mountain (Brecon Beacons)