Llyn Llydaw
E241959
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Llyn Llydaw canonical | 15 |
How this entity was disambiguated
This entity first appeared as the object of triple T2156567 — 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 Llydaw Context triple: [Snowdonia, contains, Llyn Llydaw]
-
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.
Derwentwater
Derwentwater is a scenic lake in England’s Lake District, renowned for its surrounding fells, wooded shores, and popular walking and boating opportunities.
-
C.
Garreg Ddu Reservoir
Garreg Ddu Reservoir is a scenic man-made lake in the Elan Valley of mid-Wales, known for its distinctive submerged dam and role in supplying water to the city of Birmingham.
-
D.
Pen-y-garreg Reservoir
Pen-y-garreg Reservoir is a scenic man-made lake in the Elan Valley of mid Wales, known for its historic stone dam and role in the region’s water supply system.
-
E.
Loch of Wasdale
Loch of Wasdale is a small freshwater loch on Orkney Mainland in Scotland, known for its tranquil rural setting and surrounding agricultural landscape.
- 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 Llydaw Target entity description: 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.
-
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.
Derwentwater
Derwentwater is a scenic lake in England’s Lake District, renowned for its surrounding fells, wooded shores, and popular walking and boating opportunities.
-
C.
Garreg Ddu Reservoir
Garreg Ddu Reservoir is a scenic man-made lake in the Elan Valley of mid-Wales, known for its distinctive submerged dam and role in supplying water to the city of Birmingham.
-
D.
Pen-y-garreg Reservoir
Pen-y-garreg Reservoir is a scenic man-made lake in the Elan Valley of mid Wales, known for its historic stone dam and role in the region’s water supply system.
-
E.
Loch of Wasdale
Loch of Wasdale is a small freshwater loch on Orkney Mainland in Scotland, known for its tranquil rural setting and surrounding agricultural landscape.
- F. None of above. chosen
Statements (38)
| Predicate | Object |
|---|---|
| instanceOf |
glacial lake
ⓘ
lake in Wales ⓘ |
| accessedBy |
Miners’ Track
ⓘ
linked to:
Miner’s Track
|
| associatedWith |
Arthurian legends
ⓘ
linked to:
Arthurian legend
Welsh folklore ⓘ |
| basinCountry |
United Kingdom
ⓘ
Wales ⓘ |
| country | United Kingdom ⓘ |
| elevation | approximately 436 metres above sea level ⓘ |
| environmentalStatus | protected landscape ⓘ |
| formationType | glacial ⓘ |
| hasIsland | small island near its western end ⓘ |
| hasRecreation |
sightseeing
ⓘ
walking ⓘ |
| hasShoreFeature | mountainous surroundings ⓘ |
| hasType | natural lake ⓘ |
| hasViewOf |
Snowdon summit
ⓘ
linked to:
Snowdon
surrounding Snowdonia peaks ⓘ |
| knownFor |
association with local legends
ⓘ
scenic mountain setting ⓘ |
| languageOfName | Welsh ⓘ |
| locatedIn |
Gwynedd
ⓘ
Snowdonia National Park ⓘ
linked to:
Snowdonia
Wales ⓘ |
| locatedInNationalPark |
Snowdonia National Park
ⓘ
linked to:
Snowdonia
|
| locatedNear |
Pen-y-Pass
ⓘ
Snowdon ⓘ |
| locatedOn | eastern flanks of Snowdon ⓘ |
| mountainRange | Snowdonia ⓘ |
| nameMeaning | "Brittany Lake" in Welsh ⓘ |
| nearTrail | Snowdon hiking paths ⓘ |
| outflow | Afon Glaslyn ⓘ |
| partOf |
Snowdon massif
ⓘ
linked to:
Snowdon Massif
|
| protectedArea |
Snowdonia National Park
ⓘ
linked to:
Snowdonia
|
| region |
northwest Wales
ⓘ
linked to:
North Wales
|
| tourism |
popular hiking destination
ⓘ
popular viewpoint on routes up Snowdon ⓘ |
| 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 Llydaw Description of subject: 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.
Referenced by (15)
Full triples — surface form annotated when it differs from this entity's canonical label.