Ffynnon Lloer
E859136
Ffynnon Lloer is a small mountain lake in Snowdonia, Wales, nestled high above the Ogwen Valley beneath the Carneddau peaks.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ffynnon Lloer canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10270863 — 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: Ffynnon Lloer Context triple: [Ogwen Valley, hasLake, Ffynnon Lloer]
-
A.
Lake Vyrnwy
Lake Vyrnwy is a large artificial reservoir in Powys, Wales, created in the 19th century to supply water to Liverpool and now known for its scenic surroundings and wildlife.
-
B.
Llyn y Fan Fach
Llyn y Fan Fach is a remote glacial lake in the Brecon Beacons National Park in Wales, famed for its dramatic mountain backdrop and the Welsh legend of the Lady of the Lake.
-
C.
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.
-
D.
Llyn Trawsfynydd
Llyn Trawsfynydd is a large man-made reservoir in Gwynedd, Wales, originally constructed to supply cooling water for the now-decommissioned Trawsfynydd nuclear power station and now used for recreation and fishing.
-
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: Ffynnon Lloer Target entity description: Ffynnon Lloer is a small mountain lake in Snowdonia, Wales, nestled high above the Ogwen Valley beneath the Carneddau peaks.
-
A.
Lake Vyrnwy
Lake Vyrnwy is a large artificial reservoir in Powys, Wales, created in the 19th century to supply water to Liverpool and now known for its scenic surroundings and wildlife.
-
B.
Llyn y Fan Fach
Llyn y Fan Fach is a remote glacial lake in the Brecon Beacons National Park in Wales, famed for its dramatic mountain backdrop and the Welsh legend of the Lady of the Lake.
-
C.
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.
-
D.
Llyn Trawsfynydd
Llyn Trawsfynydd is a large man-made reservoir in Gwynedd, Wales, originally constructed to supply cooling water for the now-decommissioned Trawsfynydd nuclear power station and now used for recreation and fishing.
-
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 (45)
| Predicate | Object |
|---|---|
| instanceOf |
mountain lake
ⓘ
tarn ⓘ |
| access | footpath from A5 near Ogwen Cottage ⓘ |
| basinCountry | United Kingdom ⓘ |
| country | Wales ⓘ |
| drainage | flows northwards into Afon Lloer ⓘ |
| elevation | approximately 700 metres above sea level ⓘ |
| geologicalType | glacial lake ⓘ |
| hasFeature |
boulder-strewn shores
ⓘ
peaty surroundings ⓘ steep corrie-like hollow ⓘ |
| hasNearbySummit |
Carnedd Dafydd
ⓘ
Carnedd Llewelyn ⓘ
linked to:
Carnedd Llywelyn
Pen yr Ole Wen ⓘ |
| locatedBelow |
Carnedd Dafydd
ⓘ
Pen yr Ole Wen ⓘ |
| locatedIn |
Carneddau range
ⓘ
linked to:
Carneddau
Eryri National Park ⓘ Ogwen Valley area ⓘ
linked to:
Ogwen Valley
Snowdonia ⓘ |
| locatedInAdministrativeTerritory | Conwy County Borough ⓘ |
| locatedInRegion |
North Wales
ⓘ
linked to:
north-west Wales
|
| locatedNear |
A5 road in Ogwen Valley
ⓘ
Llyn Ogwen ⓘ Ogwen Cottage ⓘ |
| locatedOnLandform | Carneddau ⓘ |
| nameMeaning | Well of the Moon ⓘ |
| nameMeaningLanguage | Welsh ⓘ |
| outflow | Afon Lloer ⓘ |
| partOf |
Afon Ogwen catchment
ⓘ
Snowdonia mountain lake system ⓘ
linked to:
Snowdonia
|
| popularWith |
mountain photographers
ⓘ
scramblers ⓘ walkers ⓘ |
| protectedArea |
Snowdonia National Park
ⓘ
linked to:
Snowdonia
|
| regionCode | GB-WLS ⓘ |
| surroundedBy |
crags of Carnedd Dafydd
ⓘ
crags of Pen yr Ole Wen ⓘ rocky mountain slopes ⓘ |
| usedFor |
hillwalking destination
ⓘ
mountain navigation practice ⓘ wild camping in vicinity ⓘ |
| viewOf |
Glyderau range
ⓘ
linked to:
Glyderau mountain range
Ogwen Valley ⓘ |
| 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: Ffynnon Lloer Description of subject: Ffynnon Lloer is a small mountain lake in Snowdonia, Wales, nestled high above the Ogwen Valley beneath the Carneddau peaks.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.