Yr Wyddfa
E298456
Yr Wyddfa is the Welsh name for Snowdon, the highest and one of the most iconic mountains in Wales and the entire British Isles.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Yr Wyddfa canonical | 9 |
How this entity was disambiguated
This entity first appeared as the object of triple T2765241 — 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: Yr Wyddfa Context triple: [Snowdon, summitNameInWelsh, Yr Wyddfa]
-
A.
Tregothnan
Tregothnan is a historic country estate in Cornwall, England, renowned as the long-standing seat of the Boscawen family and for housing the first commercial tea plantation in the UK.
-
B.
Taf Fawr
Taf Fawr is one of the principal headwater streams of the River Taff in South Wales, flowing through the Brecon Beacons before joining with other tributaries to form the main river.
-
C.
Pen y Fan
Pen y Fan is a prominent mountain in South Wales known for its sweeping views and popularity with hikers and outdoor enthusiasts.
-
D.
Eryri
Eryri is the Welsh name for Snowdonia, a mountainous national park in northwest Wales known for its rugged peaks, lakes, and scenic landscapes.
-
E.
Fforest Fawr
Fforest Fawr is a rugged upland area in South Wales known for its moorland landscapes, waterfalls, and important geological and archaeological features within the Brecon Beacons region.
- 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: Yr Wyddfa Target entity description: Yr Wyddfa is the Welsh name for Snowdon, the highest and one of the most iconic mountains in Wales and the entire British Isles.
-
A.
Tregothnan
Tregothnan is a historic country estate in Cornwall, England, renowned as the long-standing seat of the Boscawen family and for housing the first commercial tea plantation in the UK.
-
B.
Taf Fawr
Taf Fawr is one of the principal headwater streams of the River Taff in South Wales, flowing through the Brecon Beacons before joining with other tributaries to form the main river.
-
C.
Pen y Fan
Pen y Fan is a prominent mountain in South Wales known for its sweeping views and popularity with hikers and outdoor enthusiasts.
-
D.
Eryri
Eryri is the Welsh name for Snowdonia, a mountainous national park in northwest Wales known for its rugged peaks, lakes, and scenic landscapes.
-
E.
Fforest Fawr
Fforest Fawr is a rugged upland area in South Wales known for its moorland landscapes, waterfalls, and important geological and archaeological features within the Brecon Beacons region.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
mountain
ⓘ
natural landmark ⓘ tourist attraction ⓘ |
| country | Wales ⓘ |
| elevation |
1085 metres
ⓘ
3560 feet ⓘ |
| hasBuilding | Hafod Eryri visitor centre ⓘ |
| hasClimate | mountain climate ⓘ |
| hasClimbingFeature |
Crib Goch
ⓘ
surface form:
Crib Goch arête
steep rocky paths ⓘ |
| hasEnglishName | Snowdon ⓘ |
| hasPopularRoute |
Crib Goch
ⓘ
surface form:
Crib Goch ridge
Llanberis Path ⓘ Miner’s Track ⓘ Pyg Track ⓘ Rhyd Ddu Path ⓘ Snowdon Ranger Path ⓘ Watkin Path ⓘ |
| hasRailwayStation |
Snowdon Summit station
ⓘ
surface form:
Snowdon Summit railway station
|
| hasRisk |
frequent cloud cover
ⓘ
rapidly changing weather ⓘ winter snow and ice ⓘ |
| hasSummitFeature |
summit cairn
ⓘ
trig point ⓘ |
| hasViewOf |
Glaslyn
ⓘ
Irish Sea ⓘ Llyn Llydaw ⓘ |
| hasWelshName | Yr Wyddfa self-link ⓘ |
| highestPointOf |
England and Wales
ⓘ
Wales ⓘ |
| isKnownFor |
being the highest mountain in Wales
ⓘ
high visitor numbers ⓘ panoramic views over Snowdonia ⓘ |
| isPopularWith |
climbers
ⓘ
hikers ⓘ tourists ⓘ |
| isProtectedBy |
Eryri National Park Authority
ⓘ
surface form:
Snowdonia National Park Authority
|
| isSubjectOf |
Arthurian legend
ⓘ
surface form:
Arthurian legends
Welsh folklore ⓘ |
| locatedIn |
Gwynedd
ⓘ
Snowdonia ⓘ
surface form:
Snowdonia National Park
|
| locatedNear |
Beddgelert
ⓘ
Llanberis ⓘ Nant Gwynant ⓘ Pen-y-Pass ⓘ |
| locatedOn | island of Great Britain ⓘ |
| mountainRange | Snowdonia ⓘ |
| partOf |
Snowdon Massif
ⓘ
National Three Peaks Challenge ⓘ
surface form:
Three Peaks Challenge
|
| prominence | 1039 metres ⓘ |
| servedBy | Snowdon Mountain Railway ⓘ |
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: Yr Wyddfa Description of subject: Yr Wyddfa is the Welsh name for Snowdon, the highest and one of the most iconic mountains in Wales and the entire British Isles.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.