Lake Havasu
E101489
Lake Havasu is a large reservoir on the Colorado River along the Arizona–California border, popular for boating, fishing, and the relocated London Bridge tourist attraction.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Lake Havasu canonical | 10 |
| Lake Havasu City, Arizona | 6 |
| Lake Havasu City | 4 |
| Lake Havasu Island | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T773867 — 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 Havasu Context triple: [Colorado River near present-day Needles, California, upstreamOf, Lake Havasu]
-
A.
Lake Mohave
Lake Mohave is a large reservoir on the Colorado River along the Arizona–Nevada border, popular for boating, fishing, and other water recreation within the Lake Mead National Recreation Area.
-
B.
Lake Mead
Lake Mead is a large man-made reservoir on the Colorado River in the southwestern United States, known for supplying water and hydroelectric power to millions of people in the region.
-
C.
Lake Mead National Recreation Area
Lake Mead National Recreation Area is a vast protected landscape in the American Southwest centered on the reservoirs of the Colorado River, offering desert scenery, water-based recreation, and wildlife habitat.
-
D.
Lake Red Rock
Lake Red Rock is the largest lake in Iowa, a popular reservoir on the Des Moines River known for recreation, wildlife habitat, and flood control.
-
E.
Pyramid Lake
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.
- 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 Havasu Target entity description: Lake Havasu is a large reservoir on the Colorado River along the Arizona–California border, popular for boating, fishing, and the relocated London Bridge tourist attraction.
-
A.
Lake Mohave
Lake Mohave is a large reservoir on the Colorado River along the Arizona–Nevada border, popular for boating, fishing, and other water recreation within the Lake Mead National Recreation Area.
-
B.
Lake Mead
Lake Mead is a large man-made reservoir on the Colorado River in the southwestern United States, known for supplying water and hydroelectric power to millions of people in the region.
-
C.
Lake Mead National Recreation Area
Lake Mead National Recreation Area is a vast protected landscape in the American Southwest centered on the reservoirs of the Colorado River, offering desert scenery, water-based recreation, and wildlife habitat.
-
D.
Lake Red Rock
Lake Red Rock is the largest lake in Iowa, a popular reservoir on the Des Moines River known for recreation, wildlife habitat, and flood control.
-
E.
Pyramid Lake
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.
- F. None of above. chosen
Statements (53)
| Predicate | Object |
|---|---|
| instanceOf |
lake
ⓘ
reservoir ⓘ |
| adjacentTo |
Lake Havasu
self-linksurface differs
ⓘ
surface form:
Lake Havasu City
|
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| country |
United States of America
ⓘ
surface form:
United States
|
| createdFor |
hydroelectric power support
ⓘ
recreation ⓘ regulation of Colorado River flows ⓘ water storage ⓘ |
| elevationAboveSeaLevel |
about 137 meters
ⓘ
about 448 feet ⓘ |
| fishSpecies |
bluegill
ⓘ
channel catfish ⓘ flathead catfish ⓘ largemouth bass ⓘ redear sunfish ⓘ smallmouth bass ⓘ striped bass ⓘ |
| formedByDam | Parker Dam ⓘ |
| hasIsland |
Lake Havasu
self-linksurface differs
ⓘ
surface form:
Lake Havasu Island
|
| knownFor |
desert scenery
ⓘ
1831 London Bridge ⓘ
surface form:
relocated London Bridge
spring break destination ⓘ |
| length |
about 45 miles
ⓘ
about 72 kilometers ⓘ |
| locatedIn |
Arizona
ⓘ
California, United States ⓘ
surface form:
California
|
| locatedInDesert |
Mojave Desert
ⓘ
Sonoran Desert transition zone ⓘ |
| locatedNearCity |
Lake Havasu
self-linksurface differs
ⓘ
surface form:
Lake Havasu City, Arizona
Needles, California ⓘ Parker, Arizona ⓘ |
| locatedOnBorderBetween |
Arizona
ⓘ
California, United States ⓘ
surface form:
California
|
| locatedOnRiver | Colorado River ⓘ |
| managesWaterFor |
Central Arizona Project
ⓘ
Colorado River Aqueduct ⓘ Metropolitan Water District of Southern California ⓘ |
| maximumDepth |
about 27 meters
ⓘ
about 90 feet ⓘ |
| partOf |
Colorado River
ⓘ
surface form:
Lower Colorado River
|
| primaryInflow | Colorado River ⓘ |
| primaryOutflow | Colorado River ⓘ |
| recreationalActivity |
boating
ⓘ
camping ⓘ fishing ⓘ jet skiing ⓘ sailing ⓘ swimming ⓘ water skiing ⓘ |
| surfaceArea |
about 19,300 acres
ⓘ
about 78 square kilometers ⓘ |
| touristAttraction |
London Bridge
ⓘ
surface form:
London Bridge in Lake Havasu City
|
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 Havasu Description of subject: Lake Havasu is a large reservoir on the Colorado River along the Arizona–California border, popular for boating, fishing, and the relocated London Bridge tourist attraction.
Referenced by (21)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Lake Havasu City, Arizona
this entity surface form:
Lake Havasu City, Arizona
this entity surface form:
Lake Havasu City, Arizona
this entity surface form:
Lake Havasu City, Arizona
this entity surface form:
Lake Havasu City, Arizona
this entity surface form:
Lake Havasu Island
this entity surface form:
Lake Havasu City
this entity surface form:
Lake Havasu City
this entity surface form:
Lake Havasu City
this entity surface form:
Lake Havasu City
this entity surface form:
Lake Havasu City, Arizona