Snake Dike
E31648
Snake Dike is a classic, runout slab and dike rock climbing route on the southwest face of Half Dome in Yosemite National Park.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Snake Dike canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T244556 — 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: Snake Dike Context triple: [Half Dome, famousClimbingRoute, Snake Dike]
-
A.
Croton Falls Dam
Croton Falls Dam is a masonry gravity dam in Westchester County, New York, that forms the Croton Falls Reservoir as part of New York City’s water supply system.
-
B.
Emperor’s Canal
Emperor’s Canal is one of Amsterdam’s main historic canals, renowned for its elegant 17th-century canal houses and central role in the city’s UNESCO-listed canal belt.
-
C.
Dike Bridge
Dike Bridge is a small wooden bridge on Chappaquiddick Island in Massachusetts, best known as the site of the 1969 Chappaquiddick incident involving Senator Ted Kennedy.
-
D.
Cross River Reservoir
Cross River Reservoir is a man-made lake in Westchester County, New York, that forms part of New York City's Croton water supply system.
-
E.
Volkerakdam
Volkerakdam is a major Dutch dam and water management structure that forms part of the Delta Works system, helping to control water levels and protect against flooding in the Rhine–Meuse–Scheldt delta.
- 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: Snake Dike Target entity description: Snake Dike is a classic, runout slab and dike rock climbing route on the southwest face of Half Dome in Yosemite National Park.
-
A.
Croton Falls Dam
Croton Falls Dam is a masonry gravity dam in Westchester County, New York, that forms the Croton Falls Reservoir as part of New York City’s water supply system.
-
B.
Emperor’s Canal
Emperor’s Canal is one of Amsterdam’s main historic canals, renowned for its elegant 17th-century canal houses and central role in the city’s UNESCO-listed canal belt.
-
C.
Dike Bridge
Dike Bridge is a small wooden bridge on Chappaquiddick Island in Massachusetts, best known as the site of the 1969 Chappaquiddick incident involving Senator Ted Kennedy.
-
D.
Cross River Reservoir
Cross River Reservoir is a man-made lake in Westchester County, New York, that forms part of New York City's Croton water supply system.
-
E.
Volkerakdam
Volkerakdam is a major Dutch dam and water management structure that forms part of the Delta Works system, helping to control water levels and protect against flooding in the Rhine–Meuse–Scheldt delta.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
multi-pitch climbing route
ⓘ
rock climbing route ⓘ traditional climbing route ⓘ |
| accessRestriction | subject to Yosemite National Park regulations ⓘ |
| approachFrom | Happy Isles trailhead ⓘ |
| approachVia |
John Muir Trail
ⓘ
Mist Trail ⓘ |
| bestSeason |
early fall
ⓘ
late spring ⓘ summer ⓘ |
| climbsFace | southwest face of Half Dome ⓘ |
| commitmentGrade | Grade III ⓘ |
| descentVia |
Half Dome cables route
ⓘ
linked to:
Half Dome Trail
|
| difficultySummary | moderate technical grade with serious protection spacing ⓘ |
| finishesNear | summit of Half Dome ⓘ |
| firstAscentBy |
Chris Fredericks
ⓘ
Eric Beck ⓘ Jim Bridwell ⓘ |
| firstAscentDate | 1965 ⓘ |
| followsFeature | prominent dike ⓘ |
| gradeYDS | 5.7 R ⓘ |
| hazard |
afternoon thunderstorms
ⓘ
potential long falls due to runouts ⓘ |
| inGuidebook | Yosemite Valley climbing guides ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
United States ⓘ
linked to:
United States of America
Yosemite National Park ⓘ |
| locatedOn | Half Dome ⓘ |
| notableFor |
classic Yosemite slab route
ⓘ
exposed but moderate climbing ⓘ long runouts between protection bolts ⓘ |
| numberOfPitches | 8 ⓘ |
| popularity | very popular ⓘ |
| protectionType |
bolts
ⓘ
traditional gear ⓘ |
| recommendedRack | light traditional rack ⓘ |
| recommendedRopeLength | 60 meter rope or longer ⓘ |
| region | Sierra Nevada ⓘ |
| requires |
long approach hike
ⓘ
route-finding skills ⓘ |
| rockType | granite ⓘ |
| style |
runout climbing
ⓘ
slab climbing ⓘ |
| viewOf |
Liberty Cap
ⓘ
Nevada Fall ⓘ Yosemite Valley ⓘ |
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: Snake Dike Description of subject: Snake Dike is a classic, runout slab and dike rock climbing route on the southwest face of Half Dome in Yosemite National Park.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.