Arenig Fawr
E47905
Arenig Fawr is a prominent mountain in southern Snowdonia, Wales, known for its rugged summit and expansive views over the surrounding uplands and lakes.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Arenig Fawr canonical | 8 |
| Arenig Fawr South Top | 1 |
| Arenig Fawr area | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T375269 — 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: Arenig Fawr Context triple: [Merionethshire, contains, Arenig Fawr]
-
A.
Plynlimon
Plynlimon is a massif in central Wales known as the mountainous area where several major rivers, including the River Severn, have their headwaters.
-
B.
Penrhyndeudraeth
Penrhyndeudraeth is a small town in Gwynedd, northwest Wales, known for its scenic setting near the Dwyryd estuary and the Italianate village of Portmeirion.
-
C.
Llangurig
Llangurig is a small village in Powys, mid Wales, known as one of the highest villages in Wales and a junction point for several major roads.
-
D.
Trellech
Trellech is a historic village in Monmouthshire, Wales, known for its medieval significance and as the birthplace of philosopher Bertrand Russell.
-
E.
Fishguard
Fishguard is a coastal town in Pembrokeshire, Wales, known as an important ferry port linking Wales and Ireland across the Irish Sea.
- 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: Arenig Fawr Target entity description: Arenig Fawr is a prominent mountain in southern Snowdonia, Wales, known for its rugged summit and expansive views over the surrounding uplands and lakes.
-
A.
Plynlimon
Plynlimon is a massif in central Wales known as the mountainous area where several major rivers, including the River Severn, have their headwaters.
-
B.
Penrhyndeudraeth
Penrhyndeudraeth is a small town in Gwynedd, northwest Wales, known for its scenic setting near the Dwyryd estuary and the Italianate village of Portmeirion.
-
C.
Llangurig
Llangurig is a small village in Powys, mid Wales, known as one of the highest villages in Wales and a junction point for several major roads.
-
D.
Trellech
Trellech is a historic village in Monmouthshire, Wales, known for its medieval significance and as the birthplace of philosopher Bertrand Russell.
-
E.
Fishguard
Fishguard is a coastal town in Pembrokeshire, Wales, known as an important ferry port linking Wales and Ireland across the Irish Sea.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
mountain
ⓘ
peak ⓘ |
| accessPoint | A4212 road ⓘ |
| country | Wales ⓘ |
| elevation |
2802 ft
ⓘ
854 m ⓘ |
| geology |
Ordovician volcanic rocks
ⓘ
rhyolite ⓘ |
| hasLake | Llyn Arenig Fawr ⓘ |
| hasNameMeaning | Great high ground (from Welsh) ⓘ |
| hasRoute |
circuit including Moel Llyfnant
ⓘ
south ridge route from Arenig quarry ⓘ |
| hasSubpeak |
Arenig Fawr North Top
ⓘ
Arenig Fawr self-linksurface differs ⓘ
surface form:
Arenig Fawr South Top
|
| hasSummitFeature |
rocky summit
ⓘ
trig point ⓘ war memorial ⓘ |
| hasVegetation |
heather moorland
ⓘ
rough grassland ⓘ |
| hasView |
Irish Sea
ⓘ
surface form:
Irish Sea (in clear conditions)
|
| listing |
Hewitt
ⓘ
HuMP ⓘ Marilyn ⓘ Nuttall ⓘ |
| locatedIn |
Gwynedd
ⓘ
Snowdonia ⓘ North Wales ⓘ
surface form:
north Wales
Snowdonia ⓘ
surface form:
southern Snowdonia
|
| locatedNear |
Arenig quarry
ⓘ
Llyn Celyn ⓘ
surface form:
Llyn Celyn reservoir
|
| mountainRange |
Snowdonia
ⓘ
surface form:
Arenig range
|
| nearestTown | Bala ⓘ |
| overlooks |
Aran Fawddwy
ⓘ
Cadair Idris ⓘ Llyn Arenig Fawr ⓘ Llyn Celyn ⓘ Moel Llyfnant ⓘ Rhinogydd ⓘ Snowdon ⓘ |
| partOf |
Snowdonia
ⓘ
surface form:
Snowdonia National Park
|
| prominence | c. 585 m ⓘ |
| region | Eryri ⓘ |
| terrain |
boggy lower slopes
ⓘ
rugged ⓘ |
| usedFor |
fell running
ⓘ
hiking ⓘ hillwalking ⓘ sheep grazing ⓘ |
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: Arenig Fawr Description of subject: Arenig Fawr is a prominent mountain in southern Snowdonia, Wales, known for its rugged summit and expansive views over the surrounding uplands and lakes.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Arenig Fawr South Top
this entity surface form:
Arenig Fawr area