Pen yr Ole Wen
E853171
Pen yr Ole Wen is a prominent mountain in Snowdonia, North Wales, known for its steep ascent and striking views over the Ogwen Valley.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Pen yr Ole Wen canonical | 7 |
How this entity was disambiguated
This entity first appeared as the object of triple T10270769 — 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: Pen yr Ole Wen Context triple: [Carneddau, notablePeak, Pen yr Ole Wen]
-
A.
Pant-yr-awel
Pant-yr-awel is a small village in the Ogmore Valley in Bridgend County Borough, South Wales.
-
B.
Yr Wyddfa
Yr Wyddfa is the Welsh name for Snowdon, the highest and one of the most iconic mountains in Wales and the entire British Isles.
-
C.
Pont-y-Pant
Pont-y-Pant is a small rural halt railway station in North Wales serving the village of Dolwyddelan in the Conwy Valley.
-
D.
Penrhyn
Penrhyn is the largest and one of the most remote atolls in the Cook Islands, known for its expansive lagoon and traditional Polynesian culture.
-
E.
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.
- 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: Pen yr Ole Wen Target entity description: Pen yr Ole Wen is a prominent mountain in Snowdonia, North Wales, known for its steep ascent and striking views over the Ogwen Valley.
-
A.
Pant-yr-awel
Pant-yr-awel is a small village in the Ogmore Valley in Bridgend County Borough, South Wales.
-
B.
Yr Wyddfa
Yr Wyddfa is the Welsh name for Snowdon, the highest and one of the most iconic mountains in Wales and the entire British Isles.
-
C.
Pont-y-Pant
Pont-y-Pant is a small rural halt railway station in North Wales serving the village of Dolwyddelan in the Conwy Valley.
-
D.
Penrhyn
Penrhyn is the largest and one of the most remote atolls in the Cook Islands, known for its expansive lagoon and traditional Polynesian culture.
-
E.
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.
- F. None of above. chosen
Statements (37)
| Predicate | Object |
|---|---|
| instanceOf | mountain ⓘ |
| commonAscentRouteFrom |
A5 at Llyn Ogwen
ⓘ
Ogwen Cottage ⓘ |
| country | Wales ⓘ |
| elevation |
3209 feet
ⓘ
978 metres ⓘ |
| gridReferenceUK | SH 655 619 ⓘ |
| hasReputationFor | steep ascent ⓘ |
| hasViewOf |
Glyderau range
ⓘ
linked to:
Glyderau mountain range
Ogwen Valley ⓘ Tryfan ⓘ |
| isPopularFor |
hiking
ⓘ
hillwalking ⓘ mountain scrambling ⓘ |
| languageOfName | Welsh ⓘ |
| listedIn |
Furth
ⓘ
Hewitt ⓘ Nuttall ⓘ Welsh 3000s ⓘ |
| locatedIn |
Eryri National Park
ⓘ
Gwynedd ⓘ North Wales ⓘ Snowdonia ⓘ United Kingdom ⓘ Wales ⓘ |
| mountainRange | Carneddau ⓘ |
| nameMeaning | Head of the White Slope ⓘ |
| near |
A5 road in Wales
ⓘ
linked to:
A5 road in Great Britain
Llyn Ogwen ⓘ |
| overlooks | Ogwen Valley ⓘ |
| parentPeak | Carnedd Dafydd ⓘ |
| partOf |
Carneddau range
ⓘ
linked to:
Carneddau
Welsh mountains over 3000 feet ⓘ |
| prominence | 73 metres ⓘ |
| region | Snowdonia ⓘ |
| topographicMap |
OS Explorer OL17
ⓘ
OS Landranger 115 ⓘ |
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: Pen yr Ole Wen Description of subject: Pen yr Ole Wen is a prominent mountain in Snowdonia, North Wales, known for its steep ascent and striking views over the Ogwen Valley.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.