Neuadd Reservoirs
E551502
Neuadd Reservoirs are a group of upland water reservoirs in the Brecon Beacons of South Wales, popular as a scenic starting point for hiking routes onto the surrounding peaks.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Lower Neuadd Reservoir | 2 |
| Middle Neuadd Reservoir | 1 |
| Neuadd Reservoirs canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5605241 — 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: Neuadd Reservoirs Context triple: [Fan y Big, hasWalkingRouteFrom, Neuadd Reservoirs]
-
A.
Union Reservoir
Union Reservoir is a popular recreational lake near Longmont, Colorado, known for activities such as boating, fishing, swimming, and picnicking.
-
B.
E. V. Spence Reservoir
E. V. Spence Reservoir is a man-made lake in West Texas that serves as a major water supply and recreational resource for the surrounding region.
-
C.
Goodwin Reservoir
Goodwin Reservoir is a man-made water storage lake on the Stanislaus River in California, used primarily for irrigation, water supply, and recreation.
-
D.
Errwood Reservoir
Errwood Reservoir is a scenic man-made lake in the Goyt Valley in Derbyshire, England, popular for walking, fishing, and outdoor recreation.
-
E.
Rur Reservoir
Rur Reservoir is a large artificial lake in Germany’s Eifel region, known for its scenic surroundings, recreational activities, and role in regional water management.
- 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: Neuadd Reservoirs Target entity description: Neuadd Reservoirs are a group of upland water reservoirs in the Brecon Beacons of South Wales, popular as a scenic starting point for hiking routes onto the surrounding peaks.
-
A.
Union Reservoir
Union Reservoir is a popular recreational lake near Longmont, Colorado, known for activities such as boating, fishing, swimming, and picnicking.
-
B.
E. V. Spence Reservoir
E. V. Spence Reservoir is a man-made lake in West Texas that serves as a major water supply and recreational resource for the surrounding region.
-
C.
Goodwin Reservoir
Goodwin Reservoir is a man-made water storage lake on the Stanislaus River in California, used primarily for irrigation, water supply, and recreation.
-
D.
Errwood Reservoir
Errwood Reservoir is a scenic man-made lake in the Goyt Valley in Derbyshire, England, popular for walking, fishing, and outdoor recreation.
-
E.
Rur Reservoir
Rur Reservoir is a large artificial lake in Germany’s Eifel region, known for its scenic surroundings, recreational activities, and role in regional water management.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
reservoir group
ⓘ
upland reservoir ⓘ |
| accessPointFor |
Pen y Fan circular routes
ⓘ
ridge walks ⓘ |
| basinCountry | United Kingdom ⓘ |
| category |
Reservoirs in Merthyr Tydfil County Borough
ⓘ
Reservoirs in Powys ⓘ |
| constructionPeriod | late 19th to early 20th century ⓘ |
| country | Wales ⓘ |
| elevation | approximately 450–500 metres above sea level ⓘ |
| environment | open upland valley ⓘ |
| hasFeature |
conifer plantations nearby
ⓘ
dam structures ⓘ gravel access tracks ⓘ |
| hasNameMeaning |
Neuadd means hall in Welsh
ⓘ
linked to:
Welsh
|
| hasNearbyCarPark | Neuadd car park ⓘ |
| hasPart |
Lower Neuadd Reservoir
ⓘ
linked to:
Neuadd Reservoirs
Upper Neuadd Reservoir ⓘ
linked to:
Cantref Reservoir
|
| hasViewOf |
Brecon Beacons escarpment
ⓘ
linked to:
Brecon Beacons in Wales
Pen y Fan horseshoe ⓘ |
| languageOfToponym | Welsh ⓘ |
| locatedIn |
Brecon Beacons
ⓘ
linked to:
Brecon Beacons in Wales
Merthyr Tydfil County Borough ⓘ
linked to:
Merthyr Tydfil
South Wales ⓘ |
| locatedInMountainRange |
Brecon Beacons
ⓘ
linked to:
Brecon Beacons in Wales
|
| locatedNear |
Brecon Beacons Central Peaks
ⓘ
linked to:
Brecon Beacons in Wales
Corn Du ⓘ Cribyn ⓘ Pen y Fan ⓘ |
| locatedOn | Taff Trail vicinity ⓘ |
| managedBy | Dŵr Cymru Welsh Water ⓘ |
| nearbyCity | Merthyr Tydfil ⓘ |
| nearbySettlement |
Pontsticill
ⓘ
Trefechan ⓘ |
| partOf |
Brecon Beacons National Park
ⓘ
linked to:
Bannau Brycheiniog National Park
|
| popularFor |
hiking
ⓘ
landscape photography ⓘ walking ⓘ |
| region | Powys and Merthyr Tydfil border area ⓘ |
| roadAccessFrom |
Merthyr Tydfil
ⓘ
Pontsticill ⓘ |
| terrainType | upland moorland ⓘ |
| trailheadFor |
Central Beacons ridge walk
ⓘ
Pen y Fan horseshoe walk ⓘ |
| usedFor |
hiking access
ⓘ
public water supply ⓘ recreation ⓘ |
| watercourse |
Taff Fechan
ⓘ
linked to:
Taf Fechan
|
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: Neuadd Reservoirs Description of subject: Neuadd Reservoirs are a group of upland water reservoirs in the Brecon Beacons of South Wales, popular as a scenic starting point for hiking routes onto the surrounding peaks.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Neuadd Reservoirs
linked to: Neuadd Reservoirs
linked to: Neuadd Reservoirs