Blue John Canyon
E322050
Blue John Canyon is a remote slot canyon in Utah’s Canyonlands region, best known as the real-life site of Aron Ralston’s 2003 canyoneering accident depicted in the film "127 Hours."
All labels observed (2)
| Label | Occurrences |
|---|---|
| Blue John Canyon canonical | 2 |
| Main Blue John Canyon | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3067933 — 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: Blue John Canyon Context triple: [127 Hours, settingLocation, Blue John Canyon]
-
A.
Blue John Cavern
Blue John Cavern is a famous show cave in the Peak District of Derbyshire, England, renowned for its rare banded Blue John fluorspar and extensive underground chambers.
-
B.
Cheddar Gorge
Cheddar Gorge is a dramatic limestone gorge in southwest England, renowned for its towering cliffs, caves, and archaeological significance.
-
C.
Speedwell Cavern
Speedwell Cavern is a famous show cave in the Peak District of Derbyshire, England, known for its underground boat journey through flooded tunnels to a large subterranean chamber.
-
D.
Tarn Gorges
Tarn Gorges is a dramatic limestone canyon in southern France, renowned for its steep cliffs, scenic river landscapes, and popular outdoor activities like kayaking and hiking.
-
E.
Moaning Cavern
Moaning Cavern is a large limestone cave in California’s Sierra Nevada foothills, famous for its massive vertical chamber and guided tours that include rappelling and spelunking.
- 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: Blue John Canyon Target entity description: Blue John Canyon is a remote slot canyon in Utah’s Canyonlands region, best known as the real-life site of Aron Ralston’s 2003 canyoneering accident depicted in the film "127 Hours."
-
A.
Blue John Cavern
Blue John Cavern is a famous show cave in the Peak District of Derbyshire, England, renowned for its rare banded Blue John fluorspar and extensive underground chambers.
-
B.
Cheddar Gorge
Cheddar Gorge is a dramatic limestone gorge in southwest England, renowned for its towering cliffs, caves, and archaeological significance.
-
C.
Speedwell Cavern
Speedwell Cavern is a famous show cave in the Peak District of Derbyshire, England, known for its underground boat journey through flooded tunnels to a large subterranean chamber.
-
D.
Tarn Gorges
Tarn Gorges is a dramatic limestone canyon in southern France, renowned for its steep cliffs, scenic river landscapes, and popular outdoor activities like kayaking and hiking.
-
E.
Moaning Cavern
Moaning Cavern is a large limestone cave in California’s Sierra Nevada foothills, famous for its massive vertical chamber and guided tours that include rappelling and spelunking.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
geographical feature
ⓘ
slot canyon ⓘ |
| access |
requires high-clearance vehicle in many conditions
ⓘ
unmarked dirt roads ⓘ |
| approximateDistanceTo |
about 25 miles south of Interstate 70
ⓘ
about 40 miles southwest of Green River, Utah ⓘ |
| bestSeasonToVisit |
fall
ⓘ
spring ⓘ |
| climate | arid ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| drainageBasin | Green River ⓘ |
| famousEvent | Aron Ralston self-amputation and rescue in 2003 ⓘ |
| featuredInBook | Between a Rock and a Hard Place ⓘ |
| featuredInFilm | 127 Hours ⓘ |
| filmActorPortrayingAronRalston | James Franco ⓘ |
| filmDepictionYear | 2010 ⓘ |
| filmDirectorOfDepiction | Danny Boyle ⓘ |
| geologicalFormation | Navajo Sandstone ⓘ |
| hasSection |
West Fork of Blue John Canyon
ⓘ
surface form:
East Fork of Blue John Canyon
Lower Blue John Canyon ⓘ Blue John Canyon self-linksurface differs ⓘ
surface form:
Main Blue John Canyon
West Fork of Blue John Canyon ⓘ |
| hazard |
entrapment in narrow slots
ⓘ
flash floods ⓘ rockfall ⓘ |
| knownFor |
Aron Ralston 2003 accident
ⓘ
narrow slot passages ⓘ remote location ⓘ technical canyoneering routes ⓘ |
| locatedIn |
Canyonlands National Park
ⓘ
surface form:
Canyonlands region
Utah ⓘ southeastern Utah ⓘ |
| locatedInProtectedArea | Robbers Roost area ⓘ |
| management |
U.S. Bureau of Land Management
ⓘ
surface form:
Bureau of Land Management
|
| nearestNationalPark | Canyonlands National Park ⓘ |
| notableIncidentDate | April 2003 ⓘ |
| partOf | Colorado Plateau ⓘ |
| recreationActivity |
canyoneering
ⓘ
hiking ⓘ |
| region |
southwestern United States
ⓘ
surface form:
American Southwest
|
| requires | technical gear for many routes ⓘ |
| safetyRecommendation |
do not travel alone
ⓘ
leave an itinerary with others ⓘ |
| state | Utah ⓘ |
| terrainType | desert canyon ⓘ |
| timeZone | Mountain Time Zone ⓘ |
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: Blue John Canyon Description of subject: Blue John Canyon is a remote slot canyon in Utah’s Canyonlands region, best known as the real-life site of Aron Ralston’s 2003 canyoneering accident depicted in the film "127 Hours."
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Main Blue John Canyon