Mount Lyell climbing route
E244805
The Mount Lyell climbing route is a classic alpine ascent in Yosemite National Park that typically follows the Lyell Glacier and surrounding ridges to reach the summit of Mount Lyell, the park’s highest peak.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mount Lyell climbing route canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2224594 — 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: Mount Lyell climbing route Context triple: [Lyell Glacier, firstAscentRegion, Mount Lyell climbing route]
-
A.
West Buttress route
The West Buttress route is the most popular and commonly used climbing route to the summit of Denali in Alaska.
-
B.
Branscomb Glacier route
The Branscomb Glacier route is the most commonly used climbing route to the summit of Vinson Massif in Antarctica, known for its relatively straightforward glacier ascent and logistical support from guided expeditions.
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C.
Cliff Top Trail
Cliff Top Trail is a hiking route in Bon Echo Provincial Park that leads to elevated viewpoints overlooking the park’s prominent cliffs and surrounding scenery.
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D.
Ben Nevis Mountain Path
Ben Nevis Mountain Path is the most commonly used walking route to the summit of Ben Nevis in Scotland, popular with hikers for its relatively straightforward ascent.
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E.
Avalanche Gulch route
Avalanche Gulch route is the most popular and commonly used climbing route to the summit of Mount Shasta, known for its straightforward but strenuous snow and ice ascent.
- 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: Mount Lyell climbing route Target entity description: The Mount Lyell climbing route is a classic alpine ascent in Yosemite National Park that typically follows the Lyell Glacier and surrounding ridges to reach the summit of Mount Lyell, the park’s highest peak.
-
A.
West Buttress route
The West Buttress route is the most popular and commonly used climbing route to the summit of Denali in Alaska.
-
B.
Branscomb Glacier route
The Branscomb Glacier route is the most commonly used climbing route to the summit of Vinson Massif in Antarctica, known for its relatively straightforward glacier ascent and logistical support from guided expeditions.
-
C.
Cliff Top Trail
Cliff Top Trail is a hiking route in Bon Echo Provincial Park that leads to elevated viewpoints overlooking the park’s prominent cliffs and surrounding scenery.
-
D.
Ben Nevis Mountain Path
Ben Nevis Mountain Path is the most commonly used walking route to the summit of Ben Nevis in Scotland, popular with hikers for its relatively straightforward ascent.
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E.
Avalanche Gulch route
Avalanche Gulch route is the most popular and commonly used climbing route to the summit of Mount Shasta, known for its straightforward but strenuous snow and ice ascent.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
alpine climbing route
ⓘ
mountaineering route ⓘ |
| accessPoint |
Tuolumne Meadows
ⓘ
surface form:
Tuolumne Meadows area
|
| activity |
alpine climbing
ⓘ
hiking ⓘ scrambling ⓘ |
| bestSeason |
early fall
ⓘ
late summer ⓘ |
| country | United States of America ⓘ |
| dayUsePermitRequired | no, typically not for day ascents (subject to park rules) ⓘ |
| difficultyClass | Class 2–3 (Yosemite Decimal System) in common non-technical variations ⓘ |
| distanceApprox | roughly 20–25 miles round trip (varies by start point) ⓘ |
| elevationGainApprox | about 4000–5000 feet ⓘ |
| follows |
Lyell Glacier
ⓘ
ridges surrounding Lyell Glacier ⓘ |
| hasSummit | Mount Lyell ⓘ |
| hazard |
afternoon thunderstorms
ⓘ
crevasses or moats near the Lyell Glacier margin (seasonal) ⓘ rockfall ⓘ snow and ice on upper slopes ⓘ |
| highestElevationApprox |
about 13,114 feet
ⓘ
about 3997 meters ⓘ |
| locatedIn |
Sierra Nevada
ⓘ
surface form:
Sierra Nevada (California)
Tuolumne County ⓘ
surface form:
Tuolumne County, California
Yosemite National Park ⓘ |
| namedAfter | Mount Lyell ⓘ |
| notableFor |
classic high Sierra alpine scenery
ⓘ
reaching the highest summit in Yosemite National Park ⓘ |
| parkManagement |
National Park Service
ⓘ
surface form:
U.S. National Park Service
|
| popularity | classic but strenuous Yosemite alpine outing ⓘ |
| reachesHighestPointOf | Yosemite National Park ⓘ |
| region | High Sierra backcountry ⓘ |
| requires |
glacier travel skills in some conditions
ⓘ
good physical fitness ⓘ route-finding skills ⓘ |
| requiresPermit | yes, for overnight wilderness trips ⓘ |
| summitView |
Cathedral Range
ⓘ
Mount Maclure ⓘ Yosemite Wilderness ⓘ
surface form:
Yosemite high country
|
| terrain |
alpine tundra
ⓘ
glacier ⓘ granite ridges ⓘ talus slopes ⓘ |
| typicalApproach |
John Muir Trail
ⓘ
Lyell Fork of the Tuolumne River watershed ⓘ
surface form:
Lyell Fork of the Tuolumne River
|
| typicalStartingArea | Lyell 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: Mount Lyell climbing route Description of subject: The Mount Lyell climbing route is a classic alpine ascent in Yosemite National Park that typically follows the Lyell Glacier and surrounding ridges to reach the summit of Mount Lyell, the park’s highest peak.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.