Matanuska Glacier
E166489
Matanuska Glacier is a large, easily accessible valley glacier in south-central Alaska, popular for its striking ice formations and guided glacier hikes.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Matanuska Glacier canonical | 7 |
How this entity was disambiguated
This entity first appeared as the object of triple T1135782 — 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: Matanuska Glacier Context triple: [Chugach Mountains, hasGlacier, Matanuska Glacier]
-
A.
Mendenhall Glacier
Mendenhall Glacier is a 13-mile-long valley glacier in the Tongass National Forest of southeast Alaska, renowned for its striking blue ice, accessible visitor center, and dramatic retreat due to climate change.
-
B.
Valdez Glacier
Valdez Glacier is a prominent valley glacier in Alaska known for its striking ice formations and accessibility near the town of Valdez.
-
C.
Squaw Glacier
Squaw Glacier is a mountain glacier located on the slopes of the Three Sisters volcanic peaks in the Cascade Range of Oregon.
-
D.
Hotlum Glacier
Hotlum Glacier is a prominent mountain glacier on the northeastern flank of Mount Shasta in California, known as one of the mountain’s largest and most active ice masses.
-
E.
Portage Glacier
Portage Glacier is a prominent valley glacier in Alaska known for its scenic lake, visitor center, and accessibility from the Anchorage area.
- 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: Matanuska Glacier Target entity description: Matanuska Glacier is a large, easily accessible valley glacier in south-central Alaska, popular for its striking ice formations and guided glacier hikes.
-
A.
Mendenhall Glacier
Mendenhall Glacier is a 13-mile-long valley glacier in the Tongass National Forest of southeast Alaska, renowned for its striking blue ice, accessible visitor center, and dramatic retreat due to climate change.
-
B.
Valdez Glacier
Valdez Glacier is a prominent valley glacier in Alaska known for its striking ice formations and accessibility near the town of Valdez.
-
C.
Squaw Glacier
Squaw Glacier is a mountain glacier located on the slopes of the Three Sisters volcanic peaks in the Cascade Range of Oregon.
-
D.
Hotlum Glacier
Hotlum Glacier is a prominent mountain glacier on the northeastern flank of Mount Shasta in California, known as one of the mountain’s largest and most active ice masses.
-
E.
Portage Glacier
Portage Glacier is a prominent valley glacier in Alaska known for its scenic lake, visitor center, and accessibility from the Anchorage area.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
glacier
ⓘ
valley glacier ⓘ |
| accessibleFrom | Glenn Highway ⓘ |
| area | about 228 square kilometers ⓘ |
| climateZone | subarctic ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| distanceFrom |
about 100 miles northeast of Anchorage
ⓘ
about 160 kilometers northeast of Anchorage ⓘ |
| feeds |
Matanuska River
ⓘ
surface form:
Matanuska River watershed
|
| flowsInto | Matanuska River ⓘ |
| geologicalSetting | Chugach Mountains ⓘ |
| glacierType | valley glacier ⓘ |
| hasAccessControl | private land access at terminus ⓘ |
| hazard |
crevasse falls
ⓘ
unstable ice formations ⓘ |
| length |
about 27 miles
ⓘ
about 43 kilometers ⓘ |
| locatedAlong | Matanuska River ⓘ |
| locatedIn | Alaska ⓘ |
| locatedInBorough | Matanuska-Susitna Borough ⓘ |
| locatedInRegion |
Southcentral Alaska
ⓘ
surface form:
south-central Alaska
|
| locatedNear | Glacier View, Alaska ⓘ |
| nearbyHighwayMilepost | around mile 102 of the Glenn Highway ⓘ |
| notableFor |
crevasses and seracs
ⓘ
easy road access ⓘ guided glacier hikes ⓘ ice climbing opportunities ⓘ striking ice formations ⓘ |
| offersActivity |
glacier trekking
ⓘ
guided glacier hikes ⓘ ice climbing ⓘ |
| orientation | generally east–west ⓘ |
| partOf |
Matanuska Valley
ⓘ
surface form:
Matanuska-Susitna Valley region
|
| requires | guided access for most visitors ⓘ |
| status | retreating ⓘ |
| surfaceFeature |
blue ice
ⓘ
crevasses ⓘ moraines ⓘ seracs ⓘ |
| terminusElevation |
about 1500 feet
ⓘ
about 460 meters ⓘ |
| tourism | popular tourist destination ⓘ |
| usedFor |
photography
ⓘ
recreation ⓘ scientific research ⓘ |
| width |
about 4 miles at the terminus
ⓘ
about 6.4 kilometers at the terminus ⓘ |
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: Matanuska Glacier Description of subject: Matanuska Glacier is a large, easily accessible valley glacier in south-central Alaska, popular for its striking ice formations and guided glacier hikes.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.