Llyn Arenig Fawr
E258554
Llyn Arenig Fawr is a remote upland lake in Snowdonia, Wales, known for its scenic setting beneath the summit of Arenig Fawr and its use as a reservoir.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Llyn Arenig Fawr canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T2156722 — 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 Arenig Fawr Context triple: [Arenig Fawr, overlooks, Llyn Arenig Fawr]
-
A.
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.
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B.
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.
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C.
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.
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D.
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.
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E.
Llyn Ogwen
Llyn Ogwen is a scenic glacial lake in the mountains of Snowdonia in North Wales, popular for hiking, climbing, and dramatic 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 Arenig Fawr Target entity description: Llyn Arenig Fawr is a remote upland lake in Snowdonia, Wales, known for its scenic setting beneath the summit of Arenig Fawr and its use as a reservoir.
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
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.
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E.
Llyn Ogwen
Llyn Ogwen is a scenic glacial lake in the mountains of Snowdonia in North Wales, popular for hiking, climbing, and dramatic views.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
lake
ⓘ
reservoir ⓘ upland lake ⓘ |
| country | Wales ⓘ |
| drainageBasinCountry | United Kingdom ⓘ |
| hasAccess | footpath ⓘ |
| hasCharacteristic |
artificially enlarged
ⓘ
remote ⓘ scenic ⓘ upland ⓘ |
| languageOfName | Welsh ⓘ |
| locatedIn |
Gwynedd
ⓘ
Snowdonia ⓘ North Wales ⓘ
surface form:
north Wales
|
| locatedNear |
Arenig Fawr summit
ⓘ
surface form:
Arenig Fawr mountain
summit of Arenig Fawr ⓘ |
| locatedOn | Arenig Fawr ⓘ |
| nameMeaning | Lake of the Great High Ground ⓘ |
| nearbySettlement |
Bala
ⓘ
Trawsfynydd ⓘ |
| partOf |
Arenig range
ⓘ
Snowdonia ⓘ
surface form:
Snowdonia National Park
|
| popularFor |
hiking
ⓘ
hillwalking ⓘ |
| region | Eryri National Park ⓘ |
| use |
angling
ⓘ
public water supply ⓘ recreation ⓘ water supply reservoir ⓘ |
| waterType | freshwater ⓘ |
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 Arenig Fawr Description of subject: Llyn Arenig Fawr is a remote upland lake in Snowdonia, Wales, known for its scenic setting beneath the summit of Arenig Fawr and its use as a reservoir.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.