Pass of Aglon
E920160
The Pass of Aglon is a narrow, strategically vital mountain pass in Tolkien’s legendarium that served as a key defensive gateway into eastern Beleriand.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Pass of Aglon canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11348157 — 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: Pass of Aglon Context triple: [Beleriand, containsPass, Pass of Aglon]
-
A.
Honister Pass
Honister Pass is a high mountain pass in England’s Lake District, known for its steep, scenic road linking Borrowdale with Buttermere and its historic slate mines.
-
B.
Sty Head Pass
Sty Head Pass is a high mountain pass in England's Lake District, popular with hikers for its scenic route between Borrowdale and Wasdale.
-
C.
Cairnwell Pass
Cairnwell Pass is a high mountain pass in the Scottish Highlands, known as one of the highest main-road passes in the United Kingdom and a key route through the Grampian Mountains.
-
D.
Aberglaslyn Pass
Aberglaslyn Pass is a dramatic, narrow river gorge in North Wales renowned for its steep wooded slopes, rocky cliffs, and scenic walking trails.
-
E.
Lamb Pass
Lamb Pass is the English name for Colle dell’Agnello, a high mountain pass in the Alps linking Italy and France.
- 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: Pass of Aglon Target entity description: The Pass of Aglon is a narrow, strategically vital mountain pass in Tolkien’s legendarium that served as a key defensive gateway into eastern Beleriand.
-
A.
Honister Pass
Honister Pass is a high mountain pass in England’s Lake District, known for its steep, scenic road linking Borrowdale with Buttermere and its historic slate mines.
-
B.
Sty Head Pass
Sty Head Pass is a high mountain pass in England's Lake District, popular with hikers for its scenic route between Borrowdale and Wasdale.
-
C.
Cairnwell Pass
Cairnwell Pass is a high mountain pass in the Scottish Highlands, known as one of the highest main-road passes in the United Kingdom and a key route through the Grampian Mountains.
-
D.
Aberglaslyn Pass
Aberglaslyn Pass is a dramatic, narrow river gorge in North Wales renowned for its steep wooded slopes, rocky cliffs, and scenic walking trails.
-
E.
Lamb Pass
Lamb Pass is the English name for Colle dell’Agnello, a high mountain pass in the Alps linking Italy and France.
- F. None of above. chosen
Statements (32)
| Predicate | Object |
|---|---|
| instanceOf |
fictional geographic location
ⓘ
location in Beleriand ⓘ mountain pass ⓘ |
| associatedWith |
Celegorm
NERFINISHED
ⓘ
Curufin NERFINISHED ⓘ Maedhros NERFINISHED ⓘ |
| borderBetween |
Dorthonion
NERFINISHED
ⓘ
Himring NERFINISHED ⓘ |
| category |
Beleriand locations
ⓘ
Middle-earth mountain passes ⓘ |
| connects |
Himring
NERFINISHED
ⓘ
Lothlann NERFINISHED ⓘ |
| controlledBy | Sons of Fëanor NERFINISHED ⓘ |
| creator | J. R. R. Tolkien ⓘ |
| era | First Age NERFINISHED ⓘ |
| fictionalUniverse | Middle-earth legendarium NERFINISHED ⓘ |
| guardedBy |
Celegorm
NERFINISHED
ⓘ
Curufin NERFINISHED ⓘ |
| languageOfName | Sindarin NERFINISHED ⓘ |
| locatedIn |
Ered Gorgoroth
NERFINISHED
ⓘ
northern Beleriand NERFINISHED ⓘ |
| mentionedIn |
Quenta Silmarillion
NERFINISHED
ⓘ
The Silmarillion NERFINISHED ⓘ |
| near |
Himring
NERFINISHED
ⓘ
March of Maedhros NERFINISHED ⓘ |
| partOf | defensive line of the Noldor in the north of Beleriand ⓘ |
| regionOf | eastern Beleriand NERFINISHED ⓘ |
| strategicImportance | key defensive gateway into eastern Beleriand ⓘ |
| terrain |
mountainous
ⓘ
narrow ⓘ |
| threatenedBy | Morgoth NERFINISHED ⓘ |
| usedFor | defense against Morgoth ⓘ |
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: Pass of Aglon Description of subject: The Pass of Aglon is a narrow, strategically vital mountain pass in Tolkien’s legendarium that served as a key defensive gateway into eastern Beleriand.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.