Mammoth Lakes Basin
E1020183
Mammoth Lakes Basin is a scenic alpine area in California’s Eastern Sierra Nevada known for its cluster of glacial lakes, granite peaks, and extensive hiking and recreation opportunities.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Mammoth Lakes Basin canonical | 1 |
| Mammoth Lakes, California, United States | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13060808 — 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: Mammoth Lakes Basin Context triple: [Mammoth Crest, overlooks, Mammoth Lakes Basin]
-
A.
Boulder Basin
Boulder Basin is a body of water or geographic depression located in close proximity to the Boulder Islands.
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B.
Blaine Basin
Blaine Basin is a scenic alpine cirque and hiking destination in the San Juan Mountains of Colorado, known for its wildflower-filled meadows and dramatic views of Mount Sneffels.
-
C.
Wyoming Basin
The Wyoming Basin is a broad, high-elevation intermontane region in the western United States characterized by arid basins, plateaus, and significant fossil fuel and mineral resources.
-
D.
Bighorn Basin
The Bighorn Basin is a broad intermontane basin in north-central Wyoming and south-central Montana, known for its rich fossil beds, energy resources, and surrounding mountain ranges.
-
E.
Palisade Basin
Palisade Basin is a high-elevation alpine basin in California’s Sierra Nevada, known for its rugged granite peaks, glacial lakes, and remote backcountry setting.
- 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: Mammoth Lakes Basin Target entity description: Mammoth Lakes Basin is a scenic alpine area in California’s Eastern Sierra Nevada known for its cluster of glacial lakes, granite peaks, and extensive hiking and recreation opportunities.
-
A.
Boulder Basin
Boulder Basin is a body of water or geographic depression located in close proximity to the Boulder Islands.
-
B.
Blaine Basin
Blaine Basin is a scenic alpine cirque and hiking destination in the San Juan Mountains of Colorado, known for its wildflower-filled meadows and dramatic views of Mount Sneffels.
-
C.
Wyoming Basin
The Wyoming Basin is a broad, high-elevation intermontane region in the western United States characterized by arid basins, plateaus, and significant fossil fuel and mineral resources.
-
D.
Bighorn Basin
The Bighorn Basin is a broad intermontane basin in north-central Wyoming and south-central Montana, known for its rich fossil beds, energy resources, and surrounding mountain ranges.
-
E.
Palisade Basin
Palisade Basin is a high-elevation alpine basin in California’s Sierra Nevada, known for its rugged granite peaks, glacial lakes, and remote backcountry setting.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
alpine lake basin
ⓘ
recreational area ⓘ |
| accessedVia | Lake Mary Road NERFINISHED ⓘ |
| contains |
Barney Lake
NERFINISHED
ⓘ
Horseshoe Lake NERFINISHED ⓘ Lake George NERFINISHED ⓘ Lake Mamie NERFINISHED ⓘ Lake Mary NERFINISHED ⓘ TJ Lake NERFINISHED ⓘ Twin Lakes NERFINISHED ⓘ several smaller alpine lakes ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| governingBody | United States Forest Service NERFINISHED ⓘ |
| hasFeature |
alpine meadows
ⓘ
campgrounds ⓘ cluster of glacial lakes ⓘ fishing sites ⓘ forested slopes ⓘ granite peaks ⓘ hiking trails ⓘ scenic viewpoints ⓘ |
| hasGeologicalOrigin | glacial ⓘ |
| hasRecreationType |
non-motorized boating on some lakes
ⓘ
swimming in designated areas ⓘ |
| hasSeasonalAccess |
early fall
ⓘ
summer ⓘ |
| hasTrailConnection |
trails into John Muir Wilderness
ⓘ
trails to Duck Pass area ⓘ trails to Mammoth Crest ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Eastern Sierra Nevada NERFINISHED ⓘ Sierra Nevada NERFINISHED ⓘ |
| locatedInAdministrativeEntity | Mono County, California NERFINISHED ⓘ |
| managedBy | Inyo National Forest administration NERFINISHED ⓘ |
| nearestCity | Mammoth Lakes, California NERFINISHED ⓘ |
| partOf |
Inyo National Forest
NERFINISHED
ⓘ
Mammoth Ranger District NERFINISHED ⓘ |
| popularFor |
backpacking
ⓘ
boating ⓘ camping ⓘ day hiking ⓘ fall foliage viewing ⓘ fishing ⓘ photography ⓘ wildlife viewing ⓘ |
| typicalEnvironment |
alpine
ⓘ
subalpine ⓘ |
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: Mammoth Lakes Basin Description of subject: Mammoth Lakes Basin is a scenic alpine area in California’s Eastern Sierra Nevada known for its cluster of glacial lakes, granite peaks, and extensive hiking and recreation opportunities.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Mammoth Lakes, California, United States