Cwm Llan
E1001488
Cwm Llan is a scenic mountain valley on the slopes of Snowdon in Snowdonia, Wales, known for its rugged landscape, waterfalls, and historical mining remains.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cwm Llan canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12469184 — 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: Cwm Llan Context triple: [Watkin Path, offersViewOf, Cwm Llan]
-
A.
Cwm Cynwyn
Cwm Cynwyn is a secluded glacial valley in the Brecon Beacons of Wales, known for its steep grassy slopes and dramatic mountain scenery.
-
B.
Cwm Nantcol
Cwm Nantcol is a scenic valley in Snowdonia, Wales, known for its rugged mountain landscapes, rivers, and walking routes beneath the Rhinogydd range.
-
C.
Cwm Cau
Cwm Cau is a glacial cirque lake nestled beneath the summit cliffs of Cadair Idris in Snowdonia, Wales, known for its dramatic mountain scenery.
-
D.
Cwm Gwdi
Cwm Gwdi is a popular upland car park and access point in the Brecon Beacons used as a starting base for hikes onto the central Beacons peaks.
-
E.
Cwm Cloch
Cwm Cloch is a valley in Snowdonia, Wales, known as a starting point for hiking routes up the mountain Moel Hebog.
- 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: Cwm Llan Target entity description: Cwm Llan is a scenic mountain valley on the slopes of Snowdon in Snowdonia, Wales, known for its rugged landscape, waterfalls, and historical mining remains.
-
A.
Cwm Cynwyn
Cwm Cynwyn is a secluded glacial valley in the Brecon Beacons of Wales, known for its steep grassy slopes and dramatic mountain scenery.
-
B.
Cwm Nantcol
Cwm Nantcol is a scenic valley in Snowdonia, Wales, known for its rugged mountain landscapes, rivers, and walking routes beneath the Rhinogydd range.
-
C.
Cwm Cau
Cwm Cau is a glacial cirque lake nestled beneath the summit cliffs of Cadair Idris in Snowdonia, Wales, known for its dramatic mountain scenery.
-
D.
Cwm Gwdi
Cwm Gwdi is a popular upland car park and access point in the Brecon Beacons used as a starting base for hikes onto the central Beacons peaks.
-
E.
Cwm Cloch
Cwm Cloch is a valley in Snowdonia, Wales, known as a starting point for hiking routes up the mountain Moel Hebog.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
cwm
ⓘ
mountain valley ⓘ |
| access | footpaths from Nant Gwynant area ⓘ |
| country | Wales ⓘ |
| geologicalContext |
Snowdon volcanic massif
ⓘ
linked to:
Snowdon Massif
|
| hasHeritage |
copper mining remains
ⓘ
slate mining remains ⓘ |
| hasHydrologicalFeature |
Afon Cwm Llan
ⓘ
mountain streams ⓘ |
| hasLandscapeFeature |
rocky outcrops
ⓘ
rugged terrain ⓘ steep valley sides ⓘ waterfalls ⓘ |
| hasStructure |
disused quarry workings
ⓘ
old mine buildings ⓘ ruined barracks ⓘ |
| hasTrail |
Cwm Llan path
ⓘ
walking routes on Snowdon ⓘ |
| hasVegetation |
heather moorland
ⓘ
rocky scree ⓘ upland grassland ⓘ |
| hasViewOf |
Snowdon
ⓘ
surrounding Snowdonia peaks ⓘ |
| knownFor |
historical mining remains
ⓘ
scenic views ⓘ waterfalls ⓘ |
| languageOfToponym | Welsh ⓘ |
| locatedIn |
Gwynedd
ⓘ
Snowdon massif ⓘ
linked to:
Snowdon Massif
Snowdonia ⓘ north‑west Wales ⓘ |
| locatedOn | slopes of Snowdon ⓘ |
| nearbySettlement |
Beddgelert
ⓘ
Nant Gwynant ⓘ |
| partOf |
Snowdonia National Park
ⓘ
linked to:
Snowdonia
|
| protectedAreaStatus | within a national park ⓘ |
| region | Eryri ⓘ |
| toponymMeaning | Llan valley ⓘ |
| tourismImportance | popular with walkers ⓘ |
| usedFor |
hiking
ⓘ
industrial archaeology ⓘ landscape photography ⓘ mountain walking ⓘ |
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: Cwm Llan Description of subject: Cwm Llan is a scenic mountain valley on the slopes of Snowdon in Snowdonia, Wales, known for its rugged landscape, waterfalls, and historical mining remains.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.