Lake Granby
E925327
Lake Granby is a large man-made reservoir in north-central Colorado, popular for boating and fishing and serving as a major water storage facility for the region.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lake Granby canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T5525175 — 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 Granby Context triple: [Colorado-Big Thompson Project, hasComponent, Lake Granby]
-
A.
Lake Champfèr
Lake Champfèr is a scenic alpine lake in Switzerland’s Upper Engadine valley, known for its clear waters and surrounding mountain landscapes.
-
B.
Lake Rosseau
Lake Rosseau is a prominent recreational lake in Ontario’s Muskoka region, known for its upscale cottages, boating, and scenic natural surroundings.
-
C.
Lake Winthrop
Lake Winthrop is a recreational freshwater lake in Holliston, Massachusetts, known for activities such as swimming, boating, and fishing.
-
D.
Lake Waban
Lake Waban is a scenic freshwater lake in Wellesley, Massachusetts, known for its walking trails and its central role in the landscape of Wellesley College.
-
E.
Lake Audy
Lake Audy is a scenic lake in Manitoba, Canada, known for its wildlife viewing, camping, and recreational opportunities within Riding Mountain National Park.
- 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 Granby Target entity description: Lake Granby is a large man-made reservoir in north-central Colorado, popular for boating and fishing and serving as a major water storage facility for the region.
-
A.
Lake Champfèr
Lake Champfèr is a scenic alpine lake in Switzerland’s Upper Engadine valley, known for its clear waters and surrounding mountain landscapes.
-
B.
Lake Rosseau
Lake Rosseau is a prominent recreational lake in Ontario’s Muskoka region, known for its upscale cottages, boating, and scenic natural surroundings.
-
C.
Lake Winthrop
Lake Winthrop is a recreational freshwater lake in Holliston, Massachusetts, known for activities such as swimming, boating, and fishing.
-
D.
Lake Waban
Lake Waban is a scenic freshwater lake in Wellesley, Massachusetts, known for its walking trails and its central role in the landscape of Wellesley College.
-
E.
Lake Audy
Lake Audy is a scenic lake in Manitoba, Canada, known for its wildlife viewing, camping, and recreational opportunities within Riding Mountain National Park.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
man-made lake
ⓘ
reservoir ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| connectedTo |
Grand Lake
NERFINISHED
ⓘ
Shadow Mountain Lake NERFINISHED ⓘ |
| constructionStartDate | 1941 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| createdBy | Granby Dam NERFINISHED ⓘ |
| damType | earthfill dam ⓘ |
| elevation |
about 2,524 meters above sea level
ⓘ
about 8,280 feet above sea level ⓘ |
| hasFishSpecies |
brown trout
ⓘ
kokanee salmon ⓘ lake trout ⓘ rainbow trout ⓘ |
| inflow | Colorado River NERFINISHED ⓘ |
| locatedIn |
Colorado
ⓘ
Grand County, Colorado NERFINISHED ⓘ |
| locatedInProtectedArea | Arapaho National Recreation Area NERFINISHED ⓘ |
| locatedInRegion | north-central Colorado ⓘ |
| locatedNear | Rocky Mountain National Park NERFINISHED ⓘ |
| managedBy | U.S. Forest Service ⓘ |
| maximumDepth |
about 221 feet
ⓘ
about 67 meters ⓘ |
| nearbyCity | Granby, Colorado NERFINISHED ⓘ |
| notableFor |
major water storage for the region
ⓘ
popular boating destination ⓘ popular fishing destination ⓘ |
| openingDate | 1950 ⓘ |
| operator | U.S. Bureau of Reclamation NERFINISHED ⓘ |
| outflow | Colorado River NERFINISHED ⓘ |
| partOf |
Colorado River basin
NERFINISHED
ⓘ
Colorado-Big Thompson Project NERFINISHED ⓘ |
| purpose |
irrigation water supply
ⓘ
municipal water supply ⓘ recreation ⓘ water storage ⓘ |
| recreationFacility |
campgrounds
ⓘ
marinas ⓘ public boat ramps ⓘ |
| regionServed | northern Colorado ⓘ |
| surfaceArea |
about 29.3 square kilometers
ⓘ
about 7,250 acres ⓘ |
| use |
boating
ⓘ
camping ⓘ fishing ⓘ ice fishing ⓘ sailing ⓘ |
| volume | about 539,800 acre-feet ⓘ |
| watercourse | Colorado River NERFINISHED ⓘ |
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 Granby Description of subject: Lake Granby is a large man-made reservoir in north-central Colorado, popular for boating and fishing and serving as a major water storage facility for the region.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.