North Ridge of Tryfan
E853190
The North Ridge of Tryfan is a classic scrambling route in Snowdonia, Wales, renowned for its exposed rocky ascent and spectacular mountain views.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Heather Terrace on Tryfan | 1 |
| North Ridge of Tryfan canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10270880 — 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: North Ridge of Tryfan Context triple: [Ogwen Valley, popularRoute, North Ridge of Tryfan]
-
A.
Langdale Pikes
Langdale Pikes are a distinctive group of rugged mountain peaks in England’s Lake District, renowned for their dramatic crags and popularity with hikers and climbers.
-
B.
West Peak
West Peak is one of the major summits of Mount Hua in China, noted for its dramatic cliffs and scenic views.
-
C.
West Peak
West Peak is the highest and most prominent summit of Mount Olympus in Washington's Olympic Mountains.
-
D.
West Buttress ridge
West Buttress ridge is the prominent, gradually rising spine on Denali that forms the main line of ascent for the classic West Buttress climbing route.
-
E.
Loft Crag
Loft Crag is a prominent rocky fell in England’s Lake District, popular with walkers for its craggy summit and views over Great Langdale.
- 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: North Ridge of Tryfan Target entity description: The North Ridge of Tryfan is a classic scrambling route in Snowdonia, Wales, renowned for its exposed rocky ascent and spectacular mountain views.
-
A.
Langdale Pikes
Langdale Pikes are a distinctive group of rugged mountain peaks in England’s Lake District, renowned for their dramatic crags and popularity with hikers and climbers.
-
B.
West Peak
West Peak is one of the major summits of Mount Hua in China, noted for its dramatic cliffs and scenic views.
-
C.
West Peak
West Peak is the highest and most prominent summit of Mount Olympus in Washington's Olympic Mountains.
-
D.
West Buttress ridge
West Buttress ridge is the prominent, gradually rising spine on Denali that forms the main line of ascent for the classic West Buttress climbing route.
-
E.
Loft Crag
Loft Crag is a prominent rocky fell in England’s Lake District, popular with walkers for its craggy summit and views over Great Langdale.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
alpine-style ridge route
ⓘ
mountain scrambling route ⓘ |
| approaches | summit of Tryfan ⓘ |
| country | Wales ⓘ |
| hasAlternativeName | North Ridge of Tryfan scramble NERFINISHED ⓘ |
| hasApproximateGradeComparison | easier than Bristly Ridge on Glyder Fach NERFINISHED ⓘ |
| hasDifficultyGrade | Grade 1 scramble (British scrambling grade) ⓘ |
| hasFeature |
gullies
ⓘ
occasional exposed steps ⓘ rocky buttresses ⓘ short chimneys ⓘ slabs ⓘ |
| hasNavigationNote | multiple variants and lines exist along the ridge ⓘ |
| hasRisk |
increased hazard in wet or icy conditions
ⓘ
potential for serious injury in a fall ⓘ |
| hasStartPoint | A5 road near Llyn Ogwen NERFINISHED ⓘ |
| hasSummitFeature | Adam and Eve rocks on Tryfan summit ⓘ |
| hasViewOf |
Carneddau range
NERFINISHED
ⓘ
Glyderau range NERFINISHED ⓘ Ogwen Valley NERFINISHED ⓘ |
| isAccessedFrom | Ogwen Valley NERFINISHED ⓘ |
| isKnownFor |
exposed rocky ascent
ⓘ
route-finding challenges in poor visibility ⓘ spectacular mountain views ⓘ sustained scrambling ⓘ |
| isMoreSeriousIn | winter conditions ⓘ |
| isPartOf | classic Snowdonia scrambling routes ⓘ |
| locatedIn |
Eryri National Park
NERFINISHED
ⓘ
Gwynedd NERFINISHED ⓘ Snowdonia NERFINISHED ⓘ Tryfan NERFINISHED ⓘ United Kingdom ⓘ Wales ⓘ |
| mountainRange | Snowdonia mountains NERFINISHED ⓘ |
| notableHazard |
loose rock in some sections
ⓘ
steep drops beside the line of ascent ⓘ |
| oftenCombinedWith |
continuation to Glyder Fach and Glyder Fawr
ⓘ
descent via South Ridge of Tryfan ⓘ |
| popularWith |
experienced hillwalkers
ⓘ
mountaineers ⓘ scramblers ⓘ |
| requires |
basic scrambling skills
ⓘ
good weather and visibility for safe navigation ⓘ use of hands for progress ⓘ |
| season |
commonly climbed in autumn
ⓘ
commonly climbed in spring ⓘ commonly climbed in summer ⓘ |
| suitableFor | fit and experienced hillwalkers comfortable with exposure ⓘ |
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: North Ridge of Tryfan Description of subject: The North Ridge of Tryfan is a classic scrambling route in Snowdonia, Wales, renowned for its exposed rocky ascent and spectacular mountain views.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Glyderau
this entity surface form:
Heather Terrace on Tryfan