Beacons Reservoir
E705329
Beacons Reservoir is a man-made lake in the Brecon Beacons of South Wales, primarily used for water supply and set within a popular upland landscape for outdoor recreation.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Beacons Reservoir canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T7996236 — 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: Beacons Reservoir Context triple: [Taf Fawr, hasReservoir, Beacons Reservoir]
-
A.
Cod Beck Reservoir
Cod Beck Reservoir is a small man-made lake in North Yorkshire, England, popular for walking and outdoor recreation near the village of Osmotherley.
-
B.
Bethany Reservoir
Bethany Reservoir is a man-made water storage facility in California that serves as a key forebay and regulating reservoir for the State Water Project’s South Bay Aqueduct.
-
C.
Valehouse Reservoir
Valehouse Reservoir is a man-made water storage lake in the Longdendale valley of Derbyshire, England, forming part of the chain of reservoirs supplying water to the Greater Manchester area.
-
D.
Greenbooth Reservoir
Greenbooth Reservoir is a man-made lake near Norden in Greater Manchester, England, known for its scenic walking routes and surrounding moorland landscapes.
-
E.
Union Reservoir
Union Reservoir is a popular recreational lake near Longmont, Colorado, known for activities such as boating, fishing, swimming, and picnicking.
- 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: Beacons Reservoir Target entity description: Beacons Reservoir is a man-made lake in the Brecon Beacons of South Wales, primarily used for water supply and set within a popular upland landscape for outdoor recreation.
-
A.
Cod Beck Reservoir
Cod Beck Reservoir is a small man-made lake in North Yorkshire, England, popular for walking and outdoor recreation near the village of Osmotherley.
-
B.
Bethany Reservoir
Bethany Reservoir is a man-made water storage facility in California that serves as a key forebay and regulating reservoir for the State Water Project’s South Bay Aqueduct.
-
C.
Valehouse Reservoir
Valehouse Reservoir is a man-made water storage lake in the Longdendale valley of Derbyshire, England, forming part of the chain of reservoirs supplying water to the Greater Manchester area.
-
D.
Greenbooth Reservoir
Greenbooth Reservoir is a man-made lake near Norden in Greater Manchester, England, known for its scenic walking routes and surrounding moorland landscapes.
-
E.
Union Reservoir
Union Reservoir is a popular recreational lake near Longmont, Colorado, known for activities such as boating, fishing, swimming, and picnicking.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | reservoir ⓘ |
| basinCountry | United Kingdom ⓘ |
| climateZone | temperate maritime ⓘ |
| constructionType | impounding reservoir ⓘ |
| country | Wales ⓘ |
| ecosystemType | freshwater lake ⓘ |
| hasAccess |
informal paths around shore
ⓘ
public roadside viewpoints ⓘ |
| hasFeature |
conifer plantations nearby
ⓘ
open moorland surroundings ⓘ upland setting ⓘ |
| hasFunction |
regulating river flows
ⓘ
supporting downstream water supply ⓘ |
| hasNearbyFeature |
Forestry tracks
ⓘ
hillside walking routes ⓘ |
| hasRecreationConstraint | restrictions to protect water quality ⓘ |
| hasScenicDesignation | national park landscape ⓘ |
| hasWildlife |
aquatic birds
ⓘ
upland bird species ⓘ |
| inflow |
Taff Fawr
ⓘ
linked to:
Taf Fawr
|
| locatedIn |
Brecon Beacons
ⓘ
linked to:
Brecon Beacons in Wales
South Wales ⓘ upland landscape ⓘ |
| locatedInProtectedArea | Bannau Brycheiniog National Park ⓘ |
| locatedNear | A470 road ⓘ |
| locatedNorthOf | Merthyr Tydfil ⓘ |
| locatedSouthOf | Brecon ⓘ |
| managedBy | Dŵr Cymru Welsh Water ⓘ |
| nearbySettlement | Llwyn-on ⓘ |
| nearbyWaterBody |
Cantref Reservoir
ⓘ
Llwyn-on Reservoir ⓘ |
| outflow |
Taff Fawr
ⓘ
linked to:
Taf Fawr
|
| ownedBy | Dŵr Cymru Welsh Water ⓘ |
| partOf |
Brecon Beacons water supply system
ⓘ
Taff Fawr reservoir system ⓘ
linked to:
Taf Fechan Reservoir
series of reservoirs on Taff Fawr ⓘ |
| popularFor |
driving stop-off on A470
ⓘ
picnicking ⓘ scenic views ⓘ |
| primaryUse | public water supply ⓘ |
| region | Powys ⓘ |
| usedFor |
angling
ⓘ
outdoor recreation ⓘ walking ⓘ water storage ⓘ wildlife observation ⓘ |
| watercourse | River Taff catchment ⓘ |
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: Beacons Reservoir Description of subject: Beacons Reservoir is a man-made lake in the Brecon Beacons of South Wales, primarily used for water supply and set within a popular upland landscape for outdoor recreation.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.