Crater Lake National Park
E36995
Crater Lake National Park is a U.S. national park famed for its deep, intensely blue lake formed in the caldera of the collapsed volcano Mount Mazama.
All labels observed (10)
How this entity was disambiguated
This entity first appeared as the object of triple T88516 — 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: Crater Lake National Park Context triple: [Oregon, hasNationalPark, Crater Lake National Park]
-
A.
Lassen Volcanic National Park
Lassen Volcanic National Park is a U.S. national park in northern California known for its active geothermal features, including fumaroles, hot springs, and the prominent Lassen Peak volcano.
-
B.
Olympic National Park
Olympic National Park is a vast protected area on Washington State’s Olympic Peninsula, renowned for its rugged Pacific coastline, temperate rainforests, and glacier-capped mountain ranges.
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C.
Mount Rainier National Park
Mount Rainier National Park is a U.S. national park in Washington state centered around the glaciated stratovolcano Mount Rainier, renowned for its alpine meadows, old-growth forests, and extensive hiking and climbing opportunities.
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D.
Glacier Bay National Park and Preserve
Glacier Bay National Park and Preserve is a vast Alaskan wilderness area renowned for its tidewater glaciers, rugged mountains, rich marine wildlife, and opportunities for boating, kayaking, and scientific research.
-
E.
Denali National Park and Preserve
Denali National Park and Preserve is a vast Alaskan wilderness area centered around North America’s highest peak, renowned for its dramatic mountain landscapes and abundant wildlife.
- 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: Crater Lake National Park Target entity description: Crater Lake National Park is a U.S. national park famed for its deep, intensely blue lake formed in the caldera of the collapsed volcano Mount Mazama.
-
A.
Lassen Volcanic National Park
Lassen Volcanic National Park is a U.S. national park in northern California known for its active geothermal features, including fumaroles, hot springs, and the prominent Lassen Peak volcano.
-
B.
Olympic National Park
Olympic National Park is a vast protected area on Washington State’s Olympic Peninsula, renowned for its rugged Pacific coastline, temperate rainforests, and glacier-capped mountain ranges.
-
C.
Mount Rainier National Park
Mount Rainier National Park is a U.S. national park in Washington state centered around the glaciated stratovolcano Mount Rainier, renowned for its alpine meadows, old-growth forests, and extensive hiking and climbing opportunities.
-
D.
Glacier Bay National Park and Preserve
Glacier Bay National Park and Preserve is a vast Alaskan wilderness area renowned for its tidewater glaciers, rugged mountains, rich marine wildlife, and opportunities for boating, kayaking, and scientific research.
-
E.
Denali National Park and Preserve
Denali National Park and Preserve is a vast Alaskan wilderness area centered around North America’s highest peak, renowned for its dramatic mountain landscapes and abundant wildlife.
- F. None of above. chosen
Statements (52)
| Predicate | Object |
|---|---|
| instanceOf |
national park
ⓘ
protected area ⓘ |
| area |
about 183,224 acres
ⓘ
about 741 square kilometers ⓘ |
| averageAnnualSnowfall | over 500 inches at rim ⓘ |
| climate | subalpine climate ⓘ |
| containsFeature |
Cleetwood Cove Trail
ⓘ
Crater Lake Lodge ⓘ Phantom Ship ⓘ Pinnacles Overlook ⓘ Pumice Desert ⓘ Rim Drive ⓘ Rim Village Visitor Center ⓘ Steel Visitor Center ⓘ Wizard Island ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| designation | U.S. National Park ⓘ |
| elevation |
about 1,883 meters at rim
ⓘ
about 6,178 feet at rim ⓘ |
| established | 1902-05-22 ⓘ |
| establishedBy | United States Congress ⓘ |
| follows | Mount Mazama eruption ⓘ |
| formationPeriod | about 7,700 years ago ⓘ |
| formedFrom | collapse of Mount Mazama ⓘ |
| governingBody | National Park Service ⓘ |
| hasNo |
major inflowing rivers
ⓘ
major outflowing rivers ⓘ |
| hasPart |
Crater Lake
ⓘ
Mount Mazama caldera ⓘ
linked to:
Mount Mazama
|
| hasVolcanicOrigin | true ⓘ |
| highestPoint | Mount Scott ⓘ |
| IUCNCategory | II (National Park) ⓘ |
| knownFor |
caldera lake formed by collapsed volcano
ⓘ
deep blue color of Crater Lake ⓘ exceptional water clarity ⓘ |
| lakeMaximumDepth |
about 1,949 feet
ⓘ
about 594 meters ⓘ |
| lakeWaterSource | precipitation only (rain and snow) ⓘ |
| locatedIn |
Cascade Range
ⓘ
Douglas County, Oregon ⓘ Klamath County, Oregon ⓘ Oregon ⓘ |
| mainWaterBody | Crater Lake ⓘ |
| nearestCity |
Klamath Falls, Oregon
ⓘ
linked to:
Klamath Falls
Medford, Oregon ⓘ
linked to:
Medford, Oregon, United States
|
| partOf | United States National Park System ⓘ |
| popularActivity |
boat tours
ⓘ
cross-country skiing ⓘ hiking ⓘ scenic driving ⓘ snowshoeing ⓘ |
| stateAbbreviation | OR ⓘ |
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: Crater Lake National Park Description of subject: Crater Lake National Park is a U.S. national park famed for its deep, intensely blue lake formed in the caldera of the collapsed volcano Mount Mazama.
Referenced by (80)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
PCT
subject linked to:
southern Oregon
subject linked to:
Medford, Oregon, United States
linked to: Crater Lake National Park
linked to: Crater Lake National Park
subject linked to:
Oregon and Washington
linked to: Crater Lake National Park
linked to: Crater Lake National Park
linked to: Crater Lake National Park
linked to: Crater Lake National Park
linked to: Crater Lake National Park
subject linked to:
Douglas County
linked to: Crater Lake National Park
linked to: Crater Lake National Park