the Pass of Sirion
E901141
The Pass of Sirion is a crucial mountain pass in J.R.R. Tolkien’s legendarium, serving as a key route between Beleriand’s northern and southern regions and a strategic corridor in the wars against Morgoth.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Pass of Sirion | 1 |
| Tol Sirion | 1 |
| the Pass of Sirion canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11047679 — 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: the Pass of Sirion Context triple: [Sirion, flowsThrough, the Pass of Sirion]
-
A.
Eryn Galen
Eryn Galen is the original Elvish name for the great forest later known as Mirkwood in J.R.R. Tolkien’s Middle-earth legendarium.
-
B.
Siq
Siq is the dramatic narrow gorge that serves as the main entrance to the ancient Nabataean city of Petra in present-day Jordan.
-
C.
Hill of the Mines
Hill of the Mines is the English meaning of the Spanish name "Cerro Las Minas," referring to a hill or mountain historically associated with mining activity.
-
D.
Holy Mountain
Holy Mountain is the traditional name for Mount Athos, a monastic peninsula in northeastern Greece renowned as a major center of Eastern Orthodox monasticism and spirituality.
-
E.
Gates of the Mountains
Gates of the Mountains is a dramatic limestone canyon and popular scenic and recreational area along the Missouri River in Montana, famed for being named by Meriwether Lewis during the Lewis and Clark Expedition.
- 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: the Pass of Sirion Target entity description: The Pass of Sirion is a crucial mountain pass in J.R.R. Tolkien’s legendarium, serving as a key route between Beleriand’s northern and southern regions and a strategic corridor in the wars against Morgoth.
-
A.
Eryn Galen
Eryn Galen is the original Elvish name for the great forest later known as Mirkwood in J.R.R. Tolkien’s Middle-earth legendarium.
-
B.
Siq
Siq is the dramatic narrow gorge that serves as the main entrance to the ancient Nabataean city of Petra in present-day Jordan.
-
C.
Hill of the Mines
Hill of the Mines is the English meaning of the Spanish name "Cerro Las Minas," referring to a hill or mountain historically associated with mining activity.
-
D.
Holy Mountain
Holy Mountain is the traditional name for Mount Athos, a monastic peninsula in northeastern Greece renowned as a major center of Eastern Orthodox monasticism and spirituality.
-
E.
Gates of the Mountains
Gates of the Mountains is a dramatic limestone canyon and popular scenic and recreational area along the Missouri River in Montana, famed for being named by Meriwether Lewis during the Lewis and Clark Expedition.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
fictional geographic location
ⓘ
location in Beleriand ⓘ mountain pass ⓘ |
| appearsIn |
The Children of Húrin
NERFINISHED
ⓘ
The History of Middle-earth NERFINISHED ⓘ The Silmarillion ⓘ Unfinished Tales ⓘ |
| associatedWith |
Hidden city of Gondolin
NERFINISHED
ⓘ
Refuge of the Havens of Sirion NERFINISHED ⓘ |
| connectsRegion |
Hithlum
NERFINISHED
ⓘ
North Beleriand NERFINISHED ⓘ South Beleriand NERFINISHED ⓘ West Beleriand NERFINISHED ⓘ |
| consequenceOfControl | access between Hithlum and the southern lands of Beleriand ⓘ |
| contains |
Ford of Brithiach
NERFINISHED
ⓘ
Tumladen's hidden entrance (via the Sirion gorge) ⓘ |
| creator | J. R. R. Tolkien ⓘ |
| crosses | Ered Wethrin NERFINISHED ⓘ |
| guardedBy |
Elves of the House of Fingolfin
NERFINISHED
ⓘ
Sindar NERFINISHED ⓘ |
| inUniverse | Middle-earth NERFINISHED ⓘ |
| languageOfName | Sindarin NERFINISHED ⓘ |
| locatedIn |
Beleriand
NERFINISHED
ⓘ
Ered Wethrin NERFINISHED ⓘ |
| namedAfter | River Sirion NERFINISHED ⓘ |
| near |
Brethil
NERFINISHED
ⓘ
Dimbar NERFINISHED ⓘ Dor-lómin NERFINISHED ⓘ Doriath NERFINISHED ⓘ Falas NERFINISHED ⓘ Mithrim NERFINISHED ⓘ |
| notableEvent |
route of escape and travel for many refugees in the First Age
ⓘ
used in movements of forces during the Nirnaeth Arnoediad ⓘ |
| partOf | Tolkien legendarium NERFINISHED ⓘ |
| riverFlowsThrough | Sirion NERFINISHED ⓘ |
| strategicRole |
key corridor in wars against Morgoth
ⓘ
main route between northern and southern Beleriand ⓘ |
| threatenedBy | Morgoth NERFINISHED ⓘ |
| timePeriod | First Age ⓘ |
| traversedBy | River Sirion NERFINISHED ⓘ |
| usedBy |
Edain
NERFINISHED
ⓘ
Elves of Beleriand NERFINISHED ⓘ Fëanorians NERFINISHED ⓘ Morgoth's forces NERFINISHED ⓘ |
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: the Pass of Sirion Description of subject: The Pass of Sirion is a crucial mountain pass in J.R.R. Tolkien’s legendarium, serving as a key route between Beleriand’s northern and southern regions and a strategic corridor in the wars against Morgoth.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Tol Sirion
this entity surface form:
Pass of Sirion