Pyramid Lake
E21355
Pyramid Lake is a large desert lake in northwestern Nevada known for its striking pyramid-shaped tufa formations and cultural significance to the Pyramid Lake Paiute Tribe.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Pyramid Lake canonical | 20 |
| Pyramid Lake basin | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T70933 — 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: Pyramid Lake Context triple: [Great Basin, contains, Pyramid Lake]
-
A.
Lake Tahoe
Lake Tahoe is a large, deep, and famously clear freshwater lake in the Sierra Nevada mountains, straddling the border of California and Nevada and serving as a major destination for outdoor recreation and tourism.
-
B.
South Lake Tahoe
South Lake Tahoe is a resort city in California known for its access to Lake Tahoe’s beaches, ski resorts, and outdoor recreation.
-
C.
Lake Tahoe Basin
The Lake Tahoe Basin is a high-altitude watershed in the Sierra Nevada centered on Lake Tahoe, renowned for its clear alpine lake, surrounding forests, and year-round outdoor recreation.
-
D.
Great Salt Lake
The Great Salt Lake is a large, shallow, hypersaline lake in northern Utah, known as the largest saltwater lake in the Western Hemisphere and a critical habitat for millions of migratory birds.
-
E.
Salton Sea
The Salton Sea is a large, saline, endorheic lake in the Colorado Desert of Southern California, known for its fluctuating water levels, high salinity, and significant environmental and ecological challenges.
- 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: Pyramid Lake Target entity description: Pyramid Lake is a large desert lake in northwestern Nevada known for its striking pyramid-shaped tufa formations and cultural significance to the Pyramid Lake Paiute Tribe.
-
A.
Lake Tahoe
Lake Tahoe is a large, deep, and famously clear freshwater lake in the Sierra Nevada mountains, straddling the border of California and Nevada and serving as a major destination for outdoor recreation and tourism.
-
B.
South Lake Tahoe
South Lake Tahoe is a resort city in California known for its access to Lake Tahoe’s beaches, ski resorts, and outdoor recreation.
-
C.
Lake Tahoe Basin
The Lake Tahoe Basin is a high-altitude watershed in the Sierra Nevada centered on Lake Tahoe, renowned for its clear alpine lake, surrounding forests, and year-round outdoor recreation.
-
D.
Great Salt Lake
The Great Salt Lake is a large, shallow, hypersaline lake in northern Utah, known as the largest saltwater lake in the Western Hemisphere and a critical habitat for millions of migratory birds.
-
E.
Salton Sea
The Salton Sea is a large, saline, endorheic lake in the Colorado Desert of Southern California, known for its fluctuating water levels, high salinity, and significant environmental and ecological challenges.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
endorheic lake
ⓘ
natural lake ⓘ salt lake ⓘ |
| averageDepth |
approximately 264 feet
ⓘ
approximately 80 meters ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| climate | arid ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| distanceFromReno | approximately 40 miles northeast ⓘ |
| elevation |
approximately 1,157 meters
ⓘ
approximately 3,796 feet ⓘ |
| fishSpecies |
Lahontan cutthroat trout
ⓘ
cui-ui ⓘ tui chub ⓘ |
| hasCulturalSignificanceFor |
Paiute
ⓘ
surface form:
Pyramid Lake Paiute Tribe
|
| hasGeologicalFeature | tufa formations ⓘ |
| hasIndigenousPeople |
Paiute
ⓘ
surface form:
Pyramid Lake Paiute Tribe
|
| hasIsland | Anaho Island ⓘ |
| inflow | Truckee River ⓘ |
| isImportantHabitatFor | American white pelican ⓘ |
| isRemnantOf |
Pleistocene Lake Lahontan basin
ⓘ
surface form:
Lake Lahontan
|
| knownFor |
Lahontan cutthroat trout
ⓘ
cui-ui sucker fish ⓘ cultural significance to the Pyramid Lake Paiute Tribe ⓘ desert scenery ⓘ fishing ⓘ pyramid-shaped tufa formations ⓘ |
| locatedIn |
Nevada
ⓘ
Washoe County ⓘ
surface form:
Washoe County, Nevada
|
| locatedInDesert | Great Basin ⓘ |
| locatedInFormerLake | Pleistocene Lake Lahontan basin ⓘ |
| locatedInRegion |
Northern Nevada
ⓘ
surface form:
northwestern Nevada
|
| managedBy |
Paiute
ⓘ
surface form:
Pyramid Lake Paiute Tribe
|
| maximumDepth |
approximately 107 meters
ⓘ
approximately 350 feet ⓘ |
| nearestMajorCity |
Reno
ⓘ
surface form:
Reno, Nevada
|
| outflow | endorheic (no outlet) ⓘ |
| partOf |
Great Basin
ⓘ
surface form:
Great Basin hydrologic region
Pyramid Lake Paiute Reservation ⓘ |
| protectedArea | Anaho Island National Wildlife Refuge ⓘ |
| recreation |
birdwatching
ⓘ
boating ⓘ camping ⓘ sport fishing ⓘ |
| surfaceArea |
approximately 188 square miles
ⓘ
approximately 487 square kilometers ⓘ |
| tribalJurisdiction | Pyramid Lake Paiute Reservation ⓘ |
| waterType |
alkaline
ⓘ
saline ⓘ |
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: Pyramid Lake Description of subject: Pyramid Lake is a large desert lake in northwestern Nevada known for its striking pyramid-shaped tufa formations and cultural significance to the Pyramid Lake Paiute Tribe.
Referenced by (21)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Western Nevada
this entity surface form:
Pyramid Lake basin