Mynydd Mawr
E1022211
Mynydd Mawr is a prominent mountain in Snowdonia, Wales, known for its distinctive profile and panoramic views over the surrounding valleys and lakes.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Mynydd Mawr canonical | 4 |
| Welsh Matterhorn | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12486864 — 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: Mynydd Mawr Context triple: [Snowdon Ranger Path, offersViewOf, Mynydd Mawr]
-
A.
Mynydd Moel
Mynydd Moel is a prominent subsidiary peak on the Cadair Idris massif in Snowdonia, Wales, known for its rugged slopes and expansive views.
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B.
Mynydd Twr
Mynydd Twr is the Welsh name for Holyhead Mountain, the prominent hill overlooking the town of Holyhead on the island of Anglesey in northwest Wales.
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C.
Moel y Gaer
Moel y Gaer is a prominent hill in northeast Wales known for its Iron Age hillfort and commanding views across the Clwydian Range.
-
D.
Moel Hebog
Moel Hebog is a prominent mountain in North Wales known for its rugged slopes and panoramic views over the surrounding Snowdonia landscape.
-
E.
Caerphilly Mountain
Caerphilly Mountain is a prominent hill in South Wales known for its scenic views, walking trails, and proximity to the town of Caerphilly.
- 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: Mynydd Mawr Target entity description: Mynydd Mawr is a prominent mountain in Snowdonia, Wales, known for its distinctive profile and panoramic views over the surrounding valleys and lakes.
-
A.
Mynydd Moel
Mynydd Moel is a prominent subsidiary peak on the Cadair Idris massif in Snowdonia, Wales, known for its rugged slopes and expansive views.
-
B.
Mynydd Twr
Mynydd Twr is the Welsh name for Holyhead Mountain, the prominent hill overlooking the town of Holyhead on the island of Anglesey in northwest Wales.
-
C.
Moel y Gaer
Moel y Gaer is a prominent hill in northeast Wales known for its Iron Age hillfort and commanding views across the Clwydian Range.
-
D.
Moel Hebog
Moel Hebog is a prominent mountain in North Wales known for its rugged slopes and panoramic views over the surrounding Snowdonia landscape.
-
E.
Caerphilly Mountain
Caerphilly Mountain is a prominent hill in South Wales known for its scenic views, walking trails, and proximity to the town of Caerphilly.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
mountain
ⓘ
peak ⓘ |
| category |
Hewitts of Wales
ⓘ
Marilyns of Wales ⓘ Mountains and hills of Gwynedd ⓘ Mountains and hills of Snowdonia ⓘ Nuttalls of Wales ⓘ |
| country | Wales ⓘ |
| elevation |
2290 ft
ⓘ
698 m ⓘ |
| gridReferenceUK | SH 539 546 ⓘ |
| hasDistinctiveFeature | distinctive profile ⓘ |
| hasRouteFrom |
Betws Garmon
ⓘ
Rhyd Ddu ⓘ Waunfawr ⓘ |
| hasSummitFeature | cairn ⓘ |
| hasTerrain |
grass slopes
ⓘ
rocky slopes ⓘ |
| hasViewOf |
Llyn Cwellyn
ⓘ
Moel Hebog ⓘ Nantlle Valley ⓘ Snowdon ⓘ Yr Eifl ⓘ |
| languageOfName | Welsh ⓘ |
| listedAs |
Hewitt
ⓘ
HuMP ⓘ Marilyn ⓘ Nuttall ⓘ |
| locatedIn |
Gwynedd
ⓘ
Snowdonia ⓘ north-west Wales ⓘ |
| locatedOn | north side of Nantlle Valley ⓘ |
| meaningOfName | big mountain ⓘ |
| mountainRange | Snowdonia ⓘ |
| near |
village of Betws Garmon
ⓘ
village of Rhyd Ddu ⓘ village of Waunfawr ⓘ |
| overlooks |
Afon Gwyrfai valley
ⓘ
Llyn Cwellyn ⓘ |
| partOf |
Snowdonia National Park
ⓘ
linked to:
Snowdonia
|
| popularFor |
hiking
ⓘ
hillwalking ⓘ mountain walking ⓘ |
| prominence | c. 461 m ⓘ |
| region | Eryri ⓘ |
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: Mynydd Mawr Description of subject: Mynydd Mawr is a prominent mountain in Snowdonia, Wales, known for its distinctive profile and panoramic views over the surrounding valleys and lakes.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.