Llyn y Gadair
E874988
Llyn y Gadair is a small mountain lake nestled beneath the cliffs of Cadair Idris in Snowdonia, Wales, popular with hikers for its dramatic glacial cirque setting.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Llyn y Gadair canonical | 4 |
| Llyn y Gader | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10313650 — 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: Llyn y Gadair Context triple: [Cadair Idris, hasLake, Llyn y Gadair]
-
A.
Llyn Llydaw
Llyn Llydaw is a glacial lake on the eastern flanks of Snowdon in Snowdonia National Park, Wales, renowned for its scenic mountain setting and association with local legends.
-
B.
Llyn Tegid
Llyn Tegid, also known as Bala Lake, is the largest natural lake in Wales, renowned for its scenic beauty and unique aquatic wildlife.
-
C.
Llyn Gwynant
Llyn Gwynant is a scenic lake in the Snowdonia region of North Wales, popular for its surrounding mountain views and outdoor activities such as hiking, kayaking, and camping.
-
D.
Llyn Dinas
Llyn Dinas is a scenic natural lake in the Snowdonia region of North Wales, popular for walking, photography, and its surrounding mountainous landscapes.
-
E.
Llyn Hywel
Llyn Hywel is a remote mountain lake in the Rhinogydd range of Snowdonia, Wales, known for its dramatic rocky surroundings and scenic views.
- 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: Llyn y Gadair Target entity description: Llyn y Gadair is a small mountain lake nestled beneath the cliffs of Cadair Idris in Snowdonia, Wales, popular with hikers for its dramatic glacial cirque setting.
-
A.
Llyn Llydaw
Llyn Llydaw is a glacial lake on the eastern flanks of Snowdon in Snowdonia National Park, Wales, renowned for its scenic mountain setting and association with local legends.
-
B.
Llyn Tegid
Llyn Tegid, also known as Bala Lake, is the largest natural lake in Wales, renowned for its scenic beauty and unique aquatic wildlife.
-
C.
Llyn Gwynant
Llyn Gwynant is a scenic lake in the Snowdonia region of North Wales, popular for its surrounding mountain views and outdoor activities such as hiking, kayaking, and camping.
-
D.
Llyn Dinas
Llyn Dinas is a scenic natural lake in the Snowdonia region of North Wales, popular for walking, photography, and its surrounding mountainous landscapes.
-
E.
Llyn Hywel
Llyn Hywel is a remote mountain lake in the Rhinogydd range of Snowdonia, Wales, known for its dramatic rocky surroundings and scenic views.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
glacial lake
ⓘ
mountain lake ⓘ tarn ⓘ |
| accessedBy | mountain footpaths ⓘ |
| accessPointFor | routes up Cadair Idris ⓘ |
| country | Wales ⓘ |
| drainsInto | streams on Cadair Idris ⓘ |
| hasCliffsAbove | northern cliffs of Cadair Idris ⓘ |
| hasEcosystem | upland freshwater lake ecosystem ⓘ |
| hasGeologicalFeature | glacial cirque ⓘ |
| hasGeologicalOrigin | glacial erosion ⓘ |
| hasLanguage | Welsh ⓘ |
| hasSurroundings |
rocky mountain slopes
ⓘ
steep crags ⓘ |
| isBelow |
Penygadair
ⓘ
summit of Cadair Idris ⓘ |
| isPopularFor |
dramatic mountain scenery
ⓘ
glacial cirque setting ⓘ |
| isPopularWith | hikers ⓘ |
| locatedAtBaseOf | Cadair Idris ⓘ |
| locatedIn |
Gwynedd
ⓘ
Snowdonia ⓘ northwest Wales ⓘ
linked to:
north-west Wales
|
| locatedOn |
southern slopes of Cadair Idris
ⓘ
linked to:
Cadair Idris
|
| nameMeaningInWelsh | lake of the chair ⓘ |
| near | Dolgellau ⓘ |
| partOf |
Snowdonia National Park
ⓘ
linked to:
Snowdonia
|
| region | Meirionnydd ⓘ |
| usedFor |
hillwalking
ⓘ
landscape photography ⓘ |
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: Llyn y Gadair Description of subject: Llyn y Gadair is a small mountain lake nestled beneath the cliffs of Cadair Idris in Snowdonia, Wales, popular with hikers for its dramatic glacial cirque setting.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Llyn y Gadair