Bright Angel Trail
E172458
Bright Angel Trail is one of the most popular and well-maintained hiking routes that descends from the South Rim into the Grand Canyon, offering access to the inner canyon and Colorado River.
All labels observed (7)
How this entity was disambiguated
This entity first appeared as the object of triple T1512047 — 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: Bright Angel Trail Context triple: [Grand Canyon National Park, hasTrail, Bright Angel Trail]
-
A.
Half Dome Trail
Half Dome Trail is a strenuous, iconic hiking route in Yosemite National Park that ascends from Sub Dome to the summit of Half Dome via steep switchbacks and cable-assisted sections.
-
B.
Paulina Peak Trail
Paulina Peak Trail is a popular hiking route in central Oregon that climbs to the summit of Paulina Peak, offering expansive views over Newberry Volcano and its surrounding lakes and lava flows.
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C.
Yosemite Falls Trail
Yosemite Falls Trail is a steep, popular hiking route in Yosemite National Park that climbs from the valley floor to the top of Yosemite Falls, offering dramatic views of one of North America’s tallest waterfalls.
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D.
Mount Whitney Trail
Mount Whitney Trail is the primary hiking route used by climbers to reach the summit of Mount Whitney, the highest peak in the contiguous United States.
-
E.
Long Trail
The Long Trail is a long-distance hiking path that runs the length of Vermont, following the spine of the Green Mountains and inspiring the design of the Appalachian Trail.
- 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: Bright Angel Trail Target entity description: Bright Angel Trail is one of the most popular and well-maintained hiking routes that descends from the South Rim into the Grand Canyon, offering access to the inner canyon and Colorado River.
-
A.
Half Dome Trail
Half Dome Trail is a strenuous, iconic hiking route in Yosemite National Park that ascends from Sub Dome to the summit of Half Dome via steep switchbacks and cable-assisted sections.
-
B.
Paulina Peak Trail
Paulina Peak Trail is a popular hiking route in central Oregon that climbs to the summit of Paulina Peak, offering expansive views over Newberry Volcano and its surrounding lakes and lava flows.
-
C.
Yosemite Falls Trail
Yosemite Falls Trail is a steep, popular hiking route in Yosemite National Park that climbs from the valley floor to the top of Yosemite Falls, offering dramatic views of one of North America’s tallest waterfalls.
-
D.
Mount Whitney Trail
Mount Whitney Trail is the primary hiking route used by climbers to reach the summit of Mount Whitney, the highest peak in the contiguous United States.
-
E.
Long Trail
The Long Trail is a long-distance hiking path that runs the length of Vermont, following the spine of the Green Mountains and inspiring the design of the Appalachian Trail.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
hiking trail
ⓘ
tourist attraction ⓘ |
| accesses |
Bright Angel Campground
ⓘ
Colorado River ⓘ Phantom Ranch ⓘ inner canyon ⓘ |
| connectsTo |
North Kaibab Trail via inner canyon
ⓘ
linked to:
North Kaibab Trail
Plateau Point Trail ⓘ Tonto Trail ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| difficulty | strenuous ⓘ |
| elevationChange |
approximately 1340 meters
ⓘ
approximately 4400 feet ⓘ |
| endingElevation |
approximately 2410 feet at Colorado River
ⓘ
approximately 735 meters at Colorado River ⓘ |
| hasFeature |
multiple rest houses
ⓘ
shade in upper sections ⓘ steep switchbacks ⓘ tunnel sections near trailhead ⓘ water stations seasonally available ⓘ |
| hazard |
extreme heat in summer
ⓘ
steep grade ⓘ winter ice and snow near rim ⓘ |
| length |
approximately 15.3 kilometers from rim to river
ⓘ
approximately 9.5 miles from rim to river ⓘ |
| locatedIn |
Arizona
ⓘ
Grand Canyon National Park ⓘ United States ⓘ
linked to:
United States of America
|
| maintainedBy |
U.S. National Park Service
ⓘ
linked to:
National Park Service
|
| near | Bright Angel Creek (at lower end) ⓘ |
| offersViewOf |
Colorado River
ⓘ
Grand Canyon ⓘ
linked to:
Grand Canyon National Park
|
| partOf |
South Rim of the Grand Canyon
ⓘ
linked to:
South Rim
|
| popularity | one of the most popular trails in Grand Canyon National Park ⓘ |
| regulation | backcountry permits required for overnight camping below rim ⓘ |
| season | hikeable year-round with seasonal hazards ⓘ |
| startingElevation |
approximately 2040 meters at South Rim
ⓘ
approximately 6700 feet at South Rim ⓘ |
| state | Arizona ⓘ |
| surface |
dirt
ⓘ
rock ⓘ |
| terminus |
Bright Angel Campground
ⓘ
Colorado River ⓘ Phantom Ranch vicinity ⓘ
linked to:
Phantom Ranch
|
| trailhead |
Grand Canyon Village
ⓘ
near Bright Angel Lodge ⓘ |
| use |
backpacking
ⓘ
hiking ⓘ mule transport ⓘ |
| withinProtectedArea | Grand Canyon National Park ⓘ |
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: Bright Angel Trail Description of subject: Bright Angel Trail is one of the most popular and well-maintained hiking routes that descends from the South Rim into the Grand Canyon, offering access to the inner canyon and Colorado River.
Referenced by (19)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Bright Angel Trail
linked to: Bright Angel Trail
linked to: Bright Angel Trail
linked to: Bright Angel Trail
linked to: Bright Angel Trail
linked to: Bright Angel Trail
linked to: Bright Angel Trail
linked to: Bright Angel Trail