Ice House Reservoir
E129659
Ice House Reservoir is a popular alpine lake in California’s Sierra Nevada known for camping, boating, and fishing within the Eldorado National Forest.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Ice House Reservoir canonical | 2 |
| Onion Valley Reservoir | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T844167 — 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: Ice House Reservoir Context triple: [Eldorado National Forest, contains, Ice House Reservoir]
-
A.
Silver Lake Reservoir
Silver Lake Reservoir is a man-made urban lake and surrounding recreational area in Los Angeles, California, known for its walking paths, scenic views, and role as a local water storage facility.
-
B.
Amawalk Reservoir
Amawalk Reservoir is a man-made lake in Westchester County, New York, that forms part of New York City's Croton water supply system.
-
C.
Crystal Springs Reservoir
Crystal Springs Reservoir is a large artificial lake system on the San Francisco Peninsula that serves as a major drinking water source and scenic open-space area for the region.
-
D.
Hillview Reservoir
Hillview Reservoir is a key New York City water storage facility that serves as the final holding basin for treated water before it enters the city’s distribution system.
-
E.
Muscoot Reservoir
Muscoot Reservoir is a man-made lake in Westchester County, New York, that serves as a key component of New York City’s Croton water supply system.
- 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: Ice House Reservoir Target entity description: Ice House Reservoir is a popular alpine lake in California’s Sierra Nevada known for camping, boating, and fishing within the Eldorado National Forest.
-
A.
Silver Lake Reservoir
Silver Lake Reservoir is a man-made urban lake and surrounding recreational area in Los Angeles, California, known for its walking paths, scenic views, and role as a local water storage facility.
-
B.
Amawalk Reservoir
Amawalk Reservoir is a man-made lake in Westchester County, New York, that forms part of New York City's Croton water supply system.
-
C.
Crystal Springs Reservoir
Crystal Springs Reservoir is a large artificial lake system on the San Francisco Peninsula that serves as a major drinking water source and scenic open-space area for the region.
-
D.
Hillview Reservoir
Hillview Reservoir is a key New York City water storage facility that serves as the final holding basin for treated water before it enters the city’s distribution system.
-
E.
Muscoot Reservoir
Muscoot Reservoir is a man-made lake in Westchester County, New York, that serves as a key component of New York City’s Croton water supply system.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
lake
ⓘ
reservoir ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| country |
United States of America
ⓘ
surface form:
United States
|
| hasAccessVia |
Ice House Road
ⓘ
U.S. Route 50 ⓘ |
| hasBoatRamp | Ice House Reservoir boat ramp ⓘ |
| hasCampground |
Ice House Campground
ⓘ
Ice House Campground ⓘ
surface form:
Northwind Campground
Strawberry Point Campground ⓘ |
| hasFacility |
designated swimming areas
ⓘ
parking areas ⓘ picnic areas ⓘ restrooms ⓘ |
| hasFeature |
alpine setting
ⓘ
coniferous forest shoreline ⓘ granite outcrops ⓘ |
| hasFishSpecies |
brown trout
ⓘ
kokanee salmon ⓘ lake trout ⓘ rainbow trout ⓘ smallmouth bass ⓘ |
| hasManagementAgency | Eldorado National Forest ⓘ |
| hasNearbyCity |
Pollock Pines, California
ⓘ
South Lake Tahoe ⓘ
surface form:
South Lake Tahoe, California
|
| hasNearbyFeature | Ice House Road ⓘ |
| hasOperator |
U.S. Forest Service
ⓘ
surface form:
United States Forest Service
|
| hasRecreationalActivity |
kayaking
ⓘ
sailing ⓘ stand-up paddleboarding ⓘ water skiing ⓘ |
| hasWatercourse | South Fork American River ⓘ |
| isPopularFor |
day use
ⓘ
summer recreation ⓘ weekend camping ⓘ |
| isSubjectOf |
camping guides
ⓘ
recreational fishing reports ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Eldorado National Forest ⓘ Sierra Nevada ⓘ |
| locatedInAdministrativeEntity | El Dorado County, California ⓘ |
| locatedInMountainRange | Sierra Nevada ⓘ |
| partOf | Eldorado National Forest ⓘ |
| usedFor |
boating
ⓘ
camping ⓘ fishing ⓘ picnicking ⓘ recreation ⓘ swimming ⓘ |
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: Ice House Reservoir Description of subject: Ice House Reservoir is a popular alpine lake in California’s Sierra Nevada known for camping, boating, and fishing within the Eldorado National Forest.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Onion Valley Reservoir