Carn Dûm
E903468
Carn Dûm is the chief stronghold and fortress-city of the Witch-king’s realm of Angmar in J.R.R. Tolkien’s Middle-earth legendarium.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Carn Dûm canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T11047243 — 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: Carn Dûm Context triple: [Angmar, capital, Carn Dûm]
-
A.
Dirruhorn
Dirruhorn is a mountain peak in the Pennine Alps of Switzerland, forming part of the Mischabel massif near the Mattertal valley.
-
B.
Maroggia
Maroggia is a small municipality in the canton of Ticino in southern Switzerland, situated on the shores of Lake Lugano.
-
C.
Tol Morwen
Tol Morwen is a small, solitary island in J.R.R. Tolkien’s Middle-earth legendarium, notable as the resting place of Morwen and her children Túrin Turambar and Niënor.
-
D.
Hutthurm
Hutthurm is a municipality in the Bavarian region of southeastern Germany, situated near the city of Passau.
-
E.
Ephel Dúath
Ephel Dúath is the dark, mountainous border range of Mordor in J.R.R. Tolkien’s Middle-earth legendarium, forming part of the land’s forbidding enclosure.
- 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: Carn Dûm Target entity description: Carn Dûm is the chief stronghold and fortress-city of the Witch-king’s realm of Angmar in J.R.R. Tolkien’s Middle-earth legendarium.
-
A.
Dirruhorn
Dirruhorn is a mountain peak in the Pennine Alps of Switzerland, forming part of the Mischabel massif near the Mattertal valley.
-
B.
Maroggia
Maroggia is a small municipality in the canton of Ticino in southern Switzerland, situated on the shores of Lake Lugano.
-
C.
Tol Morwen
Tol Morwen is a small, solitary island in J.R.R. Tolkien’s Middle-earth legendarium, notable as the resting place of Morwen and her children Túrin Turambar and Niënor.
-
D.
Hutthurm
Hutthurm is a municipality in the Bavarian region of southeastern Germany, situated near the city of Passau.
-
E.
Ephel Dúath
Ephel Dúath is the dark, mountainous border range of Mordor in J.R.R. Tolkien’s Middle-earth legendarium, forming part of the land’s forbidding enclosure.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
fictional fortress
ⓘ
fortress-city ⓘ location in Middle-earth ⓘ stronghold ⓘ |
| appearsIn |
Middle-earth writings of J. R. R. Tolkien
ⓘ
linked to:
Middle-earth works
The Lord of the Rings appendices ⓘ The Lord of the Rings legendarium ⓘ
linked to:
legendarium of Middle-earth
|
| associatedWith |
Nazgûl
ⓘ
Witch-king of Angmar ⓘ |
| besiegedBy |
Glorfindel of Rivendell
ⓘ
linked to:
Glorfindel
Prince Eärnur of Gondor ⓘ
linked to:
Eärnur of Gondor
forces of Arnor ⓘ forces of Gondor ⓘ
linked to:
Army of Gondor
|
| capitalOf | Angmar ⓘ |
| category |
Angmar
ⓘ
Cities and towns of Middle-earth ⓘ Fortresses of Middle-earth ⓘ |
| chiefStrongholdOf | Angmar ⓘ |
| createdBy | J. R. R. Tolkien ⓘ |
| enemyOf |
Arnor
ⓘ
Arthedain ⓘ Cardolan ⓘ Rhudaur’s Dúnedain ⓘ
linked to:
Northmen of Rhovanion
|
| event |
destruction of Angmar
ⓘ
linked to:
rise and fall of Angmar
|
| foundedInFictionalAge | Third Age ⓘ |
| function |
administrative center of Angmar
ⓘ
military fortress ⓘ seat of power ⓘ |
| governedBy | Witch-king of Angmar ⓘ |
| involvedIn |
war of Angmar against Arthedain
ⓘ
linked to:
Angmar War
wars between Angmar and Arnor ⓘ |
| languageOfName | Sindarin ⓘ |
| locatedIn |
Angmar
ⓘ
Eriador ⓘ Misty Mountains region ⓘ
linked to:
Misty Mountains
northern Middle-earth ⓘ |
| nameMeaning | Red Hill ⓘ |
| partOf |
legendarium of J. R. R. Tolkien
ⓘ
linked to:
legendarium of Middle-earth
|
| ruledBy | Witch-king of Angmar ⓘ |
| statusAfterWar | ruined ⓘ |
| strategicRole |
base for attacks on the northern Dúnedain
ⓘ
center of Angmar’s military power ⓘ |
| timePeriod | Third Age ⓘ |
| usedBy |
Hill-men of Rhudaur
ⓘ
Orcs of Angmar ⓘ evil Men of Angmar ⓘ
linked to:
forces of Angmar
forces of Angmar ⓘ |
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: Carn Dûm Description of subject: Carn Dûm is the chief stronghold and fortress-city of the Witch-king’s realm of Angmar in J.R.R. Tolkien’s Middle-earth legendarium.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.