Llyn Peris
E288889
Llyn Peris is a glacial lake in Snowdonia, North Wales, situated near the town of Llanberis and historically associated with slate quarrying and hydroelectric power generation.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Llyn Peris canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T2436309 — 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 Peris Context triple: [Caernarfonshire, contains, Llyn Peris]
-
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 Dinas
Llyn Dinas is a scenic natural lake in the Snowdonia region of North Wales, popular for walking, photography, and its surrounding mountainous landscapes.
-
C.
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.
-
D.
Llyn Brenig
Llyn Brenig is a large reservoir and recreational lake in North Wales, known for its scenic surroundings, walking trails, and trout fishing.
-
E.
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.
- 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 Peris Target entity description: Llyn Peris is a glacial lake in Snowdonia, North Wales, situated near the town of Llanberis and historically associated with slate quarrying and hydroelectric power generation.
-
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 Dinas
Llyn Dinas is a scenic natural lake in the Snowdonia region of North Wales, popular for walking, photography, and its surrounding mountainous landscapes.
-
C.
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.
-
D.
Llyn Brenig
Llyn Brenig is a large reservoir and recreational lake in North Wales, known for its scenic surroundings, walking trails, and trout fishing.
-
E.
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.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
glacial lake
ⓘ
natural lake ⓘ |
| associatedWith |
Dinorwig Power Station
ⓘ
Dinorwig hydroelectric scheme ⓘ
linked to:
Dinorwig Power Station
Dinorwig slate quarry ⓘ
linked to:
Dinorwig Slate Quarry
|
| basinCountry |
United Kingdom
ⓘ
Wales ⓘ |
| connectedTo | Llyn Padarn ⓘ |
| country | Wales ⓘ |
| drainsInto | Afon Seiont via Afon Rhythallt ⓘ |
| formedBy | glacial activity ⓘ |
| hasHistoricalUse |
cooling and process water for industry
ⓘ
supporting slate quarry operations ⓘ |
| hasPrimaryInflow | mountain streams ⓘ |
| hasPrimaryOutflow | Afon Rhythallt ⓘ |
| hasScenicValue | high ⓘ |
| hasShoreFeature |
hydroelectric infrastructure
ⓘ
quarry tips ⓘ |
| historicallyAssociatedWith | slate quarrying ⓘ |
| isTouristAttraction | true ⓘ |
| languageOfName | Welsh ⓘ |
| locatedAtBaseOf |
Dinorwig mountain
ⓘ
linked to:
Dinorwig Slate Quarry
|
| locatedBelow | Llyn Padarn ⓘ |
| locatedIn |
Gwynedd
ⓘ
Llanberis valley ⓘ
linked to:
Llanberis
North Wales ⓘ Snowdonia ⓘ |
| locatedNear | Llanberis ⓘ |
| locatedOn | edge of Llanberis ⓘ |
| namedAfter | Saint Peris ⓘ |
| nameMeaning | Peris Lake ⓘ |
| near |
Dinorwig village
ⓘ
linked to:
Dinorwig Slate Quarry
Llanberis ⓘ Llyn Padarn ⓘ Snowdon ⓘ |
| partOf |
Afon Seiont catchment
ⓘ
Dinorwig pumped-storage system ⓘ
linked to:
Dinorwig Power Station
Llanberis Pass valley system ⓘ landscape of Llanberis Pass approach ⓘ |
| region |
Snowdonia National Park
ⓘ
linked to:
Snowdonia
|
| typeOfLake | ribbon lake ⓘ |
| usedAs | lower reservoir for pumped-storage scheme ⓘ |
| usedFor |
hydroelectric power generation
ⓘ
industrial water supply ⓘ water storage ⓘ |
| watercourse | Afon Rhythallt ⓘ |
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 Peris Description of subject: Llyn Peris is a glacial lake in Snowdonia, North Wales, situated near the town of Llanberis and historically associated with slate quarrying and hydroelectric power generation.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.