Glaslyn
E298008
Glaslyn is a small glacial lake nestled high on the eastern slopes of Mount Snowdon in Snowdonia, Wales, known for its striking blue-green waters and dramatic mountain scenery.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Glaslyn canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T2765245 — 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: Glaslyn Context triple: [Snowdon, hasNearbyLake, Glaslyn]
-
A.
Rhinog Fach
Rhinog Fach is a rugged, rocky mountain in the Rhinogydd range of Snowdonia, Wales, known for its challenging terrain and scenic views.
-
B.
Henllys
Henllys is a residential village and suburb forming part of the Cwmbran area in Torfaen, South Wales.
-
C.
Rougemount
Rougemount is a residential neighbourhood in the city of Pickering, Ontario, located near the Rouge River valley in the eastern Greater Toronto Area.
-
D.
Kilrenny
Kilrenny is a small historic fishing village in the East Neuk area of Fife, Scotland, known for its traditional architecture and coastal character.
-
E.
Talyllyn
Talyllyn is a historic narrow-gauge steam locomotive that operates on the Talyllyn Railway in Wales.
- 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: Glaslyn Target entity description: Glaslyn is a small glacial lake nestled high on the eastern slopes of Mount Snowdon in Snowdonia, Wales, known for its striking blue-green waters and dramatic mountain scenery.
-
A.
Rhinog Fach
Rhinog Fach is a rugged, rocky mountain in the Rhinogydd range of Snowdonia, Wales, known for its challenging terrain and scenic views.
-
B.
Henllys
Henllys is a residential village and suburb forming part of the Cwmbran area in Torfaen, South Wales.
-
C.
Rougemount
Rougemount is a residential neighbourhood in the city of Pickering, Ontario, located near the Rouge River valley in the eastern Greater Toronto Area.
-
D.
Kilrenny
Kilrenny is a small historic fishing village in the East Neuk area of Fife, Scotland, known for its traditional architecture and coastal character.
-
E.
Talyllyn
Talyllyn is a historic narrow-gauge steam locomotive that operates on the Talyllyn Railway in Wales.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
glacial lake
ⓘ
lake in Wales ⓘ |
| accessibleFrom | Pen-y-Pass ⓘ |
| associatedWith | Snowdon summit paths ⓘ |
| basinType | cirque basin ⓘ |
| climateZone | temperate maritime ⓘ |
| country | Wales ⓘ |
| elevation | approximately 600 metres above sea level ⓘ |
| etymology | from Welsh "glas" (blue/green) and "lyn" (lake) ⓘ |
| formedBy | glacial activity ⓘ |
| hasFeature |
clear water
ⓘ
glacially carved basin ⓘ surrounding rocky cliffs ⓘ |
| hasReputation | one of the most picturesque small lakes in Snowdonia ⓘ |
| hasShoreType | rocky shores ⓘ |
| hydrologicalType | freshwater lake ⓘ |
| knownFor |
dramatic mountain scenery
ⓘ
striking blue-green waters ⓘ |
| locatedIn |
Gwynedd
ⓘ
Snowdonia ⓘ north-west Wales ⓘ |
| locatedOn |
Snowdon
ⓘ
surface form:
Mount Snowdon
|
| meaningOfName | blue lake ⓘ |
| nameLanguage | Welsh ⓘ |
| near |
Llyn Llydaw
ⓘ
Miner’s Track ⓘ
surface form:
Miners’ Track
Pyg Track ⓘ |
| outflow | Afon Glaslyn ⓘ |
| partOf |
Eryri National Park
ⓘ
surface form:
Snowdonia National Park
|
| popularFor |
hiking
ⓘ
landscape photography ⓘ mountain walking ⓘ |
| positionOnMountain | eastern slopes of Snowdon ⓘ |
| protectedAreaStatus | within a national park ⓘ |
| region |
Eryri
ⓘ
surface form:
Eryri (Snowdonia)
|
| scenicViewOf |
Crib Goch
ⓘ
surface form:
Crib Goch ridge
Snowdon Massif ⓘ
surface form:
Snowdon horseshoe
Y Lliwedd ⓘ |
| surroundedBy | steep mountain slopes ⓘ |
| usedFor |
nature appreciation
ⓘ
recreational walking ⓘ |
| waterColor | blue-green ⓘ |
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: Glaslyn Description of subject: Glaslyn is a small glacial lake nestled high on the eastern slopes of Mount Snowdon in Snowdonia, Wales, known for its striking blue-green waters and dramatic mountain scenery.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.