Half Dome Trail
E162250
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.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Half Dome Trail canonical | 3 |
| Half Dome hike | 2 |
| Half Dome trail | 2 |
| Half Dome cables route | 1 |
| Half Dome hiking trail | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1403927 — 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: Half Dome Trail Context triple: [Mist Trail and John Muir Trail to Sub Dome, connectedTo, Half Dome Trail]
-
A.
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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B.
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.
-
C.
Timberline Trail
Timberline Trail is a renowned long-distance hiking loop that circumnavigates Oregon’s Mount Hood, offering alpine scenery, river crossings, and access to diverse mountain ecosystems.
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D.
John Muir Trail
The John Muir Trail is a long-distance hiking route in California renowned for its spectacular alpine scenery as it passes through Yosemite, Kings Canyon, and Sequoia National Parks.
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E.
Sawtooth Pass Trail
Sawtooth Pass Trail is a high-elevation hiking route in Sequoia National Park known for its steep ascent, alpine scenery, and access to the Mineral King backcountry.
- 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: Half Dome Trail Target entity description: 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.
-
A.
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.
-
B.
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.
-
C.
Timberline Trail
Timberline Trail is a renowned long-distance hiking loop that circumnavigates Oregon’s Mount Hood, offering alpine scenery, river crossings, and access to diverse mountain ecosystems.
-
D.
John Muir Trail
The John Muir Trail is a long-distance hiking route in California renowned for its spectacular alpine scenery as it passes through Yosemite, Kings Canyon, and Sequoia National Parks.
-
E.
Sawtooth Pass Trail
Sawtooth Pass Trail is a high-elevation hiking route in Sequoia National Park known for its steep ascent, alpine scenery, and access to the Mineral King backcountry.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
hiking trail
ⓘ
recreational route ⓘ |
| accessPoint | Sub Dome ⓘ |
| bestTimeOfDay | early morning start recommended ⓘ |
| connectsTo |
Sub Dome
ⓘ
summit of Half Dome ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| difficulty | strenuous ⓘ |
| elevationGain |
approximately 1460 meters
ⓘ
approximately 4800 feet ⓘ |
| feature |
steep final ascent
ⓘ
views of High Sierra peaks ⓘ views of Yosemite Valley ⓘ |
| hasSection |
cable route
ⓘ
steep switchbacks ⓘ |
| hazard |
afternoon thunderstorms
ⓘ
exposure to heights ⓘ risk of falls ⓘ slippery granite ⓘ |
| highestPointElevation |
approximately 2693 meters
ⓘ
approximately 8844 feet ⓘ |
| isFamousFor |
cable-assisted ascent
ⓘ
exposed granite slopes ⓘ panoramic views of Yosemite Valley ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
United States of America ⓘ
surface form:
United States
Yosemite National Park ⓘ |
| locatedInProtectedArea | Yosemite Wilderness ⓘ |
| managedBy |
National Park Service
ⓘ
surface form:
U.S. National Park Service
|
| notableFor | iconic status among U.S. hikes ⓘ |
| partOf |
Half Dome Trail
self-linksurface differs
ⓘ
surface form:
Half Dome hike
|
| regulation | permit required for cable section in main season ⓘ |
| requires | Half Dome permit in peak season ⓘ |
| safetyEquipment |
fixed steel cables
ⓘ
wooden support boards on cables section ⓘ |
| season | typically open late spring to early fall ⓘ |
| trailSurface |
dirt and rock
ⓘ
granite rock ⓘ |
| trailUse | heavily used in summer ⓘ |
| usedFor |
backpacking access
ⓘ
day hiking ⓘ hiking ⓘ |
| viewOf |
Half Dome
ⓘ
surface form:
Half Dome summit
Liberty Cap ⓘ Nevada Fall ⓘ Yosemite Valley ⓘ
surface form:
Yosemite Valley floor
|
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: Half Dome Trail Description of subject: 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.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Half Dome hiking trail
this entity surface form:
Half Dome cables route
this entity surface form:
Half Dome trail
this entity surface form:
Half Dome hike
this entity surface form:
Half Dome hike
this entity surface form:
Half Dome trail