Zigzag Glacier
E201820
Zigzag Glacier is a prominent alpine glacier on the slopes of Mount Hood in Oregon, known for its crevassed ice and role in feeding the Zigzag River.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Zigzag Glacier canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T1391227 — 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: Zigzag Glacier Context triple: [Mount Hood, hasGlacier, Zigzag Glacier]
-
A.
Miage Glacier
Miage Glacier is a large valley glacier on the Italian side of the Mont Blanc massif, notable for its extensive debris-covered surface.
-
B.
Spegazzini Glacier
Spegazzini Glacier is a prominent and scenic tidewater glacier in Los Glaciares National Park in Argentine Patagonia, known for its towering ice walls and dramatic views accessible by boat.
-
C.
Tokositna Glacier
Tokositna Glacier is a major valley glacier in the Alaska Range known for its dramatic ice flows and surrounding rugged mountain scenery.
-
D.
Findel Glacier
Findel Glacier is a large valley glacier near Zermatt in the Swiss Pennine Alps, known for its dramatic ice flows and views of surrounding high peaks such as the Monte Rosa massif.
-
E.
Bionnassay Glacier
Bionnassay Glacier is a prominent alpine glacier on the western flank of the Mont Blanc massif in the French Alps.
- 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: Zigzag Glacier Target entity description: Zigzag Glacier is a prominent alpine glacier on the slopes of Mount Hood in Oregon, known for its crevassed ice and role in feeding the Zigzag River.
-
A.
Miage Glacier
Miage Glacier is a large valley glacier on the Italian side of the Mont Blanc massif, notable for its extensive debris-covered surface.
-
B.
Spegazzini Glacier
Spegazzini Glacier is a prominent and scenic tidewater glacier in Los Glaciares National Park in Argentine Patagonia, known for its towering ice walls and dramatic views accessible by boat.
-
C.
Tokositna Glacier
Tokositna Glacier is a major valley glacier in the Alaska Range known for its dramatic ice flows and surrounding rugged mountain scenery.
-
D.
Findel Glacier
Findel Glacier is a large valley glacier near Zermatt in the Swiss Pennine Alps, known for its dramatic ice flows and views of surrounding high peaks such as the Monte Rosa massif.
-
E.
Bionnassay Glacier
Bionnassay Glacier is a prominent alpine glacier on the western flank of the Mont Blanc massif in the French Alps.
- F. None of above. chosen
Statements (32)
| Predicate | Object |
|---|---|
| instanceOf |
alpine glacier
ⓘ
glacier ⓘ |
| climateZone | maritime snow climate of the Pacific Northwest ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| drainageBasin | Zigzag River basin ⓘ |
| environmentalRole |
freshwater storage in snow and ice
ⓘ
regulation of seasonal streamflow in Zigzag River ⓘ |
| feeds | Zigzag River NERFINISHED ⓘ |
| geologicalType | temperate glacier ⓘ |
| hazard |
crevasse danger
ⓘ
icefall risk ⓘ |
| hydrologicalRole | source of meltwater for Zigzag River ⓘ |
| locatedIn |
Oregon
ⓘ
United States of America ⓘ
surface form:
United States
|
| locatedInContinent | North America ⓘ |
| locatedInHemisphere | Northern Hemisphere ⓘ |
| locatedInMountainRange | Cascade Range ⓘ |
| locatedOn | Mount Hood ⓘ |
| mountain | Mount Hood ⓘ |
| namedAfter | Zigzag River NERFINISHED ⓘ |
| nearbySettlement |
Government Camp, Oregon
ⓘ
Zigzag, Oregon ⓘ |
| notableCharacteristic |
prominent crevassing
ⓘ
seasonal variation in meltwater flow ⓘ |
| partOf | glacial system of Mount Hood ⓘ |
| positionOnMountain | southwestern slope of Mount Hood ⓘ |
| recreationUse | mountaineering route area on Mount Hood ⓘ |
| region |
Clackamas County, Oregon
ⓘ
Mount Hood National Forest ⓘ |
| state | Oregon ⓘ |
| subjectOf | glaciological studies of Mount Hood ⓘ |
| surfaceFeature | crevassed ice ⓘ |
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: Zigzag Glacier Description of subject: Zigzag Glacier is a prominent alpine glacier on the slopes of Mount Hood in Oregon, known for its crevassed ice and role in feeding the Zigzag River.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.