Blue John Canyon, Utah, United States
E1016358
Blue John Canyon in Utah is a remote slot canyon best known as the site of Aron Ralston’s 2003 canyoneering accident, later depicted in the film "127 Hours."
All labels observed (1)
| Label | Occurrences |
|---|---|
| Blue John Canyon, Utah, United States canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12996494 — 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, Utah, United States Context triple: [Aron Ralston, canyoneeringAccidentLocation, Blue John Canyon, Utah, United States]
-
A.
Red Canyon, Utah
Red Canyon, Utah is a striking red-rock gorge in southern Utah known for its hoodoos, scenic drives, and hiking trails, often considered a quieter prelude to nearby Bryce Canyon National Park.
-
B.
Echo Canyon, Utah
Echo Canyon in Utah is a narrow, scenic gorge in the Wasatch Range that served as a key passageway for westward migration and military travel in the 19th century.
-
C.
Canyon Point, Utah
Canyon Point, Utah is a small, remote census-designated community in southern Utah known for its desert landscape and proximity to major national parks and scenic attractions.
-
D.
Skull Valley, Utah
Skull Valley, Utah is a sparsely populated desert valley in northwestern Utah known for its remote landscape, military testing areas, and environmental controversies over hazardous waste and nuclear storage proposals.
-
E.
Piute Canyon
Piute Canyon is a rugged, glacially carved valley in California’s Sierra Nevada, known for its remote wilderness scenery and backcountry hiking routes.
- 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, Utah, United States Target entity description: Blue John Canyon in Utah is a remote slot canyon best known as the site of Aron Ralston’s 2003 canyoneering accident, later depicted in the film "127 Hours."
-
A.
Red Canyon, Utah
Red Canyon, Utah is a striking red-rock gorge in southern Utah known for its hoodoos, scenic drives, and hiking trails, often considered a quieter prelude to nearby Bryce Canyon National Park.
-
B.
Echo Canyon, Utah
Echo Canyon in Utah is a narrow, scenic gorge in the Wasatch Range that served as a key passageway for westward migration and military travel in the 19th century.
-
C.
Canyon Point, Utah
Canyon Point, Utah is a small, remote census-designated community in southern Utah known for its desert landscape and proximity to major national parks and scenic attractions.
-
D.
Skull Valley, Utah
Skull Valley, Utah is a sparsely populated desert valley in northwestern Utah known for its remote landscape, military testing areas, and environmental controversies over hazardous waste and nuclear storage proposals.
-
E.
Piute Canyon
Piute Canyon is a rugged, glacially carved valley in California’s Sierra Nevada, known for its remote wilderness scenery and backcountry hiking routes.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
canyon
ⓘ
slot canyon ⓘ |
| access | unmarked dirt roads from Utah State Route 24 ⓘ |
| approxElevation | about 1,400 meters above sea level ⓘ |
| bestSeason |
fall
ⓘ
spring ⓘ |
| climate | arid desert ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| drainage | Horseshoe Canyon ⓘ |
| drainsInto | Horseshoe Canyon ⓘ |
| ecosystem | high desert shrubland ⓘ |
| featuredIn |
book Between a Rock and a Hard Place
ⓘ
linked to:
Between a Rock and a Hard Place
film 127 Hours ⓘ
linked to:
127 Hours
|
| filmLocationFor | story depicted in 127 Hours ⓘ |
| geologicalFormation | Navajo Sandstone ⓘ |
| hasFeature |
dryfalls
ⓘ
potholes ⓘ tight constrictions ⓘ |
| hasPart |
East Fork
ⓘ
Lower Blue John Canyon ⓘ Main Fork ⓘ R2 rappel section (Ralston accident site) ⓘ Upper Blue John Canyon ⓘ West Fork ⓘ |
| hazard |
flash floods
ⓘ
getting trapped in narrow slots ⓘ rockfall ⓘ |
| knownFor |
Aron Ralston accident in 2003
ⓘ
being the setting of the film 127 Hours ⓘ narrow slot sections ⓘ remote desert location ⓘ technical canyoneering routes ⓘ |
| landStatus | public land ⓘ |
| locatedIn |
Robbers Roost area
ⓘ
San Rafael Desert ⓘ Southeastern Utah ⓘ
linked to:
southeastern Utah
Utah ⓘ Wayne County, Utah ⓘ |
| management |
Bureau of Land Management
ⓘ
linked to:
U.S. Bureau of Land Management
|
| namedAfter | outlaw nicknamed Blue John ⓘ |
| nearestTown | Hanksville, Utah ⓘ |
| notableEvent | Aron Ralston self-amputation and rescue in April 2003 ⓘ |
| popularActivity |
canyoneering
ⓘ
hiking ⓘ |
| region | Colorado Plateau ⓘ |
| requires |
downclimbing ability
ⓘ
route-finding skills ⓘ technical rope skills for many routes ⓘ |
| rockType | sandstone ⓘ |
| tributaryOf | Horseshoe Canyon ⓘ |
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, Utah, United States Description of subject: Blue John Canyon in Utah is a remote slot canyon best known as the site of Aron Ralston’s 2003 canyoneering accident, later depicted in the film "127 Hours."
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.