Headstone Tunnel
E629616
Headstone Tunnel is a former railway tunnel in Derbyshire, England, now a notable feature of the Monsal Trail walking and cycling route through the Peak District.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Headstone Tunnel canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6942743 — 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: Headstone Tunnel Context triple: [Monsal Trail, hasTunnel, Headstone Tunnel]
-
A.
Bruce Tunnel
Bruce Tunnel is a historic canal tunnel in Wiltshire, England, carrying the Kennet and Avon Canal beneath Savernake Forest.
-
B.
Greywell Tunnel
Greywell Tunnel is a disused, bat-inhabited canal tunnel in Hampshire, England, notable as the former western terminus of the Basingstoke Canal and a protected wildlife site.
-
C.
Malpas Tunnel
Malpas Tunnel is a historic canal tunnel in southern France, notable as one of the first navigable tunnels built for the Canal du Midi in the 17th century.
-
D.
Chirk Tunnel
Chirk Tunnel is a historic canal tunnel on the Llangollen Canal in Wales, notable for carrying the waterway beneath the Welsh–English border near Chirk Aqueduct.
-
E.
Mountfield Tunnel
Mountfield Tunnel is a railway tunnel in East Sussex, England, carrying the Tonbridge–Hastings line through the countryside near the village of Mountfield.
- 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: Headstone Tunnel Target entity description: Headstone Tunnel is a former railway tunnel in Derbyshire, England, now a notable feature of the Monsal Trail walking and cycling route through the Peak District.
-
A.
Bruce Tunnel
Bruce Tunnel is a historic canal tunnel in Wiltshire, England, carrying the Kennet and Avon Canal beneath Savernake Forest.
-
B.
Greywell Tunnel
Greywell Tunnel is a disused, bat-inhabited canal tunnel in Hampshire, England, notable as the former western terminus of the Basingstoke Canal and a protected wildlife site.
-
C.
Malpas Tunnel
Malpas Tunnel is a historic canal tunnel in southern France, notable as one of the first navigable tunnels built for the Canal du Midi in the 17th century.
-
D.
Chirk Tunnel
Chirk Tunnel is a historic canal tunnel on the Llangollen Canal in Wales, notable for carrying the waterway beneath the Welsh–English border near Chirk Aqueduct.
-
E.
Mountfield Tunnel
Mountfield Tunnel is a railway tunnel in East Sussex, England, carrying the Tonbridge–Hastings line through the countryside near the village of Mountfield.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
former railway tunnel
ⓘ
railway infrastructure ⓘ |
| country | England ⓘ |
| currentUse | recreational trail tunnel ⓘ |
| hasAccess |
cycle path
ⓘ
public footpath ⓘ |
| hasHeritage | industrial archaeology site ⓘ |
| hasLighting | yes ⓘ |
| isFeatureOf |
Monsal Trail cycling route
NERFINISHED
ⓘ
Monsal Trail walking route ⓘ |
| locatedIn |
Derbyshire
ⓘ
Peak District NERFINISHED ⓘ Peak District National Park NERFINISHED ⓘ |
| locatedNear |
Headstone Viaduct
NERFINISHED
ⓘ
Monsal Dale NERFINISHED ⓘ |
| material | rock cutting and masonry lining ⓘ |
| openToPublic | yes ⓘ |
| originalUse | railway tunnel ⓘ |
| owner | Peak District National Park Authority NERFINISHED ⓘ |
| partOf |
Monsal Trail
NERFINISHED
ⓘ
former Midland Railway route ⓘ former railway line between Bakewell and Buxton ⓘ |
| railwayStatus | closed to rail traffic ⓘ |
| safetyFeature |
internal lighting
ⓘ
surfaced path ⓘ |
| status | disused railway tunnel ⓘ |
| tourism | local attraction ⓘ |
| usedFor |
cycling
ⓘ
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: Headstone Tunnel Description of subject: Headstone Tunnel is a former railway tunnel in Derbyshire, England, now a notable feature of the Monsal Trail walking and cycling route through the Peak District.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.