Lake Almanor
E108812
Lake Almanor is a large, man-made reservoir in Northern California known for its scenic mountain setting and popular fishing, boating, and camping opportunities.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lake Almanor canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T779519 — 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: Lake Almanor Context triple: [Shasta Cascade region, contains, Lake Almanor]
-
A.
Butte Lake
Butte Lake is a scenic high-elevation lake in northern California known for its volcanic landscape, clear waters, and access to hiking and camping within Lassen Volcanic National Park.
-
B.
Manzanita Lake
Manzanita Lake is a scenic alpine lake in Northern California known for its clear waters, views of Lassen Peak, and popular opportunities for fishing, kayaking, and camping.
-
C.
Shasta Lake
Shasta Lake is a large reservoir in Northern California known for its extensive shoreline, houseboating, and proximity to Mount Shasta.
-
D.
Convict Lake
Convict Lake is a scenic alpine lake in California’s Eastern Sierra Nevada, renowned for its dramatic mountain backdrop, clear waters, and outdoor recreation opportunities like fishing and hiking.
-
E.
Lake Oroville
Lake Oroville is a large man-made reservoir in Northern California, created by the Oroville Dam on the Feather River, that serves as a major source of water storage, flood control, and recreation.
- 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: Lake Almanor Target entity description: Lake Almanor is a large, man-made reservoir in Northern California known for its scenic mountain setting and popular fishing, boating, and camping opportunities.
-
A.
Butte Lake
Butte Lake is a scenic high-elevation lake in northern California known for its volcanic landscape, clear waters, and access to hiking and camping within Lassen Volcanic National Park.
-
B.
Manzanita Lake
Manzanita Lake is a scenic alpine lake in Northern California known for its clear waters, views of Lassen Peak, and popular opportunities for fishing, kayaking, and camping.
-
C.
Shasta Lake
Shasta Lake is a large reservoir in Northern California known for its extensive shoreline, houseboating, and proximity to Mount Shasta.
-
D.
Convict Lake
Convict Lake is a scenic alpine lake in California’s Eastern Sierra Nevada, renowned for its dramatic mountain backdrop, clear waters, and outdoor recreation opportunities like fishing and hiking.
-
E.
Lake Oroville
Lake Oroville is a large man-made reservoir in Northern California, created by the Oroville Dam on the Feather River, that serves as a major source of water storage, flood control, and recreation.
- F. None of above. chosen
Statements (54)
| Predicate | Object |
|---|---|
| instanceOf |
man-made lake
ⓘ
reservoir ⓘ tourist attraction ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| climate | continental Mediterranean climate ⓘ |
| constructionBegan | 1912 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| createdBy | Great Western Power Company ⓘ |
| damType | earthfill dam ⓘ |
| dateOfCompletion | 1914 ⓘ |
| elevationAboveSeaLevel |
about 1370 meters
ⓘ
about 4490 feet ⓘ |
| fishSpecies |
brown trout
ⓘ
landlocked salmon ⓘ largemouth bass ⓘ rainbow trout ⓘ smallmouth bass ⓘ |
| hasIsland | several small islands ⓘ |
| hasPart | Almanor Dam ⓘ |
| hasRecreationalActivity |
boating
ⓘ
camping ⓘ fishing ⓘ kayaking ⓘ sailing ⓘ swimming ⓘ water skiing ⓘ |
| inflow | North Fork Feather River ⓘ |
| isPartOf | Feather River Project ⓘ |
| knownFor |
cold-water trout fishery
ⓘ
scenic mountain setting ⓘ warm-water bass fishery ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Northern California ⓘ |
| locatedInAdministrativeTerritory | Plumas County, California ⓘ |
| locatedInMountainRange | Sierra Nevada ⓘ |
| locatedInRegion |
Lassen National Forest (surrounding lands)
ⓘ
surface form:
Lassen National Forest
|
| maximumDepth |
about 27 meters
ⓘ
about 90 feet ⓘ |
| namedAfter |
Alma de Bretteville Spreckels
ⓘ
her daughters Elma and Dorothy ("or") ⓘ |
| nearbySettlement |
Chester, California
ⓘ
Lake Almanor Peninsula, California ⓘ Prattville, California ⓘ |
| operator | Pacific Gas and Electric Company ⓘ |
| outflow | North Fork Feather River ⓘ |
| purpose |
hydroelectric power generation
ⓘ
recreation ⓘ water storage ⓘ |
| shoreLength |
about 52 miles
ⓘ
about 84 kilometers ⓘ |
| surfaceArea |
about 110 square kilometers
ⓘ
about 28000 acres ⓘ |
| tourismImportance | regional recreation destination in Northern California ⓘ |
| watercourse | North Fork Feather River ⓘ |
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: Lake Almanor Description of subject: Lake Almanor is a large, man-made reservoir in Northern California known for its scenic mountain setting and popular fishing, boating, and camping opportunities.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.