Southeast Ridge route
E591773
The Southeast Ridge route is the classic and most commonly used climbing route to the summit of Mount Everest from the Nepal (south) side.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Southeast Ridge route canonical | 3 |
| South Col–Southeast Ridge route | 1 |
| South-East Ridge route | 1 |
| Western Cwm via Camp II | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6430103 — 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: Southeast Ridge route Context triple: [South Col route, alsoKnownAs, Southeast Ridge route]
-
A.
Northeast Ridge route
The Northeast Ridge route is a major climbing route to the summit of Mount Everest from the Tibetan (north) side, known for its high-altitude exposure and technical sections near the top.
-
B.
South Ridge route
The South Ridge route is the standard, non-technical hiking ascent used by most climbers to reach the summit of South Sister in Oregon’s Cascade Range.
-
C.
North Ridge route
The North Ridge route is a popular alpine ascent path on Mount Taranaki in New Zealand, known for its straightforward but exposed climb to the summit.
-
D.
North Ridge route
The North Ridge route is a classic alpine climbing ascent that follows the prominent northern ridgeline of Middle Sister in the Oregon Cascades.
-
E.
North Ridge route
The North Ridge route is a classic, heavily glaciated alpine climb on Washington’s Mount Baker, known for its steep ice, crevasse navigation, and sustained technical mountaineering.
- 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: Southeast Ridge route Target entity description: The Southeast Ridge route is the classic and most commonly used climbing route to the summit of Mount Everest from the Nepal (south) side.
-
A.
Northeast Ridge route
The Northeast Ridge route is a major climbing route to the summit of Mount Everest from the Tibetan (north) side, known for its high-altitude exposure and technical sections near the top.
-
B.
South Ridge route
The South Ridge route is the standard, non-technical hiking ascent used by most climbers to reach the summit of South Sister in Oregon’s Cascade Range.
-
C.
North Ridge route
The North Ridge route is a popular alpine ascent path on Mount Taranaki in New Zealand, known for its straightforward but exposed climb to the summit.
-
D.
North Ridge route
The North Ridge route is a classic alpine climbing ascent that follows the prominent northern ridgeline of Middle Sister in the Oregon Cascades.
-
E.
North Ridge route
The North Ridge route is a classic, heavily glaciated alpine climb on Washington’s Mount Baker, known for its steep ice, crevasse navigation, and sustained technical mountaineering.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Everest climbing route
ⓘ
mountaineering route ⓘ |
| accessedFrom | Lukla ⓘ |
| approachesFrom |
south side of Mount Everest
ⓘ
linked to:
south face of Mount Everest
|
| approachTrekPassesThrough |
Khumbu Valley
ⓘ
Namche Bazaar ⓘ |
| baseCampElevation | approximately 5364 m ⓘ |
| comparedTo |
North Col–Northeast Ridge route
ⓘ
linked to:
Northeast Ridge route
|
| countrySide | Nepal side ⓘ |
| difficulty | extreme ⓘ |
| firstAscentExpedition | 1953 British Mount Everest expedition ⓘ |
| firstAscentViaRouteBy |
Edmund Hillary
ⓘ
Tenzing Norgay ⓘ |
| firstAscentViaRouteYear | 1953 ⓘ |
| governedBy | Department of Tourism, Government of Nepal ⓘ |
| hazards |
avalanches
ⓘ
crevasses ⓘ exposure to extreme cold ⓘ high winds ⓘ high-altitude illness ⓘ serac collapse ⓘ |
| highestPoint | summit of Mount Everest ⓘ |
| isClassicRouteTo | summit of Mount Everest ⓘ |
| isMoreFrequentlyUsedThan |
North Col–Northeast Ridge route
ⓘ
linked to:
Northeast Ridge route
|
| isMostCommonRouteTo | summit of Mount Everest ⓘ |
| locatedIn | Nepal ⓘ |
| locatedOn | Mount Everest ⓘ |
| passesAlong | Cornice Traverse ⓘ |
| passesBy | Hillary Step ⓘ |
| passesThrough |
Khumbu Icefall
ⓘ
Lhotse Face ⓘ South Col ⓘ South Summit of Everest ⓘ Western Cwm ⓘ |
| requires |
Everest climbing permit from Nepal
ⓘ
fixed ropes ⓘ supplemental oxygen for most climbers ⓘ technical ice climbing skills ⓘ |
| season |
post-monsoon (autumn)
ⓘ
pre-monsoon (spring) ⓘ |
| startsFrom | Everest Base Camp (South) ⓘ |
| summitElevation | 8848.86 m ⓘ |
| typicalCamp1Elevation | approximately 6050 m ⓘ |
| typicalCamp2Elevation | approximately 6400 m ⓘ |
| typicalCamp3Elevation | approximately 7200 m ⓘ |
| typicalCamp4Elevation | approximately 7900–8000 m ⓘ |
| usedFor |
guided commercial expeditions
ⓘ
high-altitude mountaineering ⓘ |
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: Southeast Ridge route Description of subject: The Southeast Ridge route is the classic and most commonly used climbing route to the summit of Mount Everest from the Nepal (south) side.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Southeast Ridge route
linked to: Southeast Ridge route