Grand Canyon of the Yellowstone
E182981
The Grand Canyon of the Yellowstone is a dramatic, multicolored river canyon in Yellowstone National Park, renowned for its steep cliffs, powerful waterfalls, and striking geothermal-influenced rock formations.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Grand Canyon of the Yellowstone canonical | 1 |
| Lower Falls of the Yellowstone River | 1 |
| Yellowstone River Canyon (Grand Canyon of the Yellowstone) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1607811 — 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: Grand Canyon of the Yellowstone Context triple: [Yellowstone National Park, hasFeature, Grand Canyon of the Yellowstone]
-
A.
Grand Canyon
Grand Canyon is a 1991 ensemble drama film directed by Lawrence Kasdan that explores race, class, and chance encounters in contemporary Los Angeles.
-
B.
Grand Canyon of the Tuolumne
The Grand Canyon of the Tuolumne is a deep, rugged granite gorge in Yosemite National Park, renowned for its dramatic cliffs, waterfalls, and challenging backcountry hiking along the Tuolumne River.
-
C.
Black Canyon
Black Canyon is a steep, narrow gorge on the Colorado River along the Arizona–Nevada border, best known as the dramatic setting for the Hoover Dam.
-
D.
Navajo Falls
Navajo Falls is a picturesque waterfall in the Havasu Creek area of the Grand Canyon, renowned for its turquoise pools and cultural significance to the Havasupai people.
-
E.
Fern Canyon
Fern Canyon is a lush, narrow gorge in Northern California famed for its sheer walls draped in ferns and its appearance in films like Jurassic Park 2.
- 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: Grand Canyon of the Yellowstone Target entity description: The Grand Canyon of the Yellowstone is a dramatic, multicolored river canyon in Yellowstone National Park, renowned for its steep cliffs, powerful waterfalls, and striking geothermal-influenced rock formations.
-
A.
Grand Canyon
Grand Canyon is a 1991 ensemble drama film directed by Lawrence Kasdan that explores race, class, and chance encounters in contemporary Los Angeles.
-
B.
Grand Canyon of the Tuolumne
The Grand Canyon of the Tuolumne is a deep, rugged granite gorge in Yosemite National Park, renowned for its dramatic cliffs, waterfalls, and challenging backcountry hiking along the Tuolumne River.
-
C.
Black Canyon
Black Canyon is a steep, narrow gorge on the Colorado River along the Arizona–Nevada border, best known as the dramatic setting for the Hoover Dam.
-
D.
Navajo Falls
Navajo Falls is a picturesque waterfall in the Havasu Creek area of the Grand Canyon, renowned for its turquoise pools and cultural significance to the Havasupai people.
-
E.
Fern Canyon
Fern Canyon is a lush, narrow gorge in Northern California famed for its sheer walls draped in ferns and its appearance in films like Jurassic Park 2.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
canyon
ⓘ
landform ⓘ river canyon ⓘ |
| color |
orange
ⓘ
pink ⓘ red ⓘ white ⓘ yellow ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| formedBy | Yellowstone River ⓘ |
| geologicalAge | late Pleistocene to Holocene erosion features ⓘ |
| geology |
hydrothermally altered volcanic rocks
ⓘ
rhyolitic rock ⓘ tuff and lava flows ⓘ |
| hasPart |
Lower Falls of the Yellowstone River
ⓘ
Upper Falls of the Yellowstone River ⓘ |
| hasTrail |
North Rim Trail
ⓘ
South Rim Trail ⓘ Uncle Tom’s Trail ⓘ |
| hasViewpoint |
Artist Point
ⓘ
Grand View ⓘ Inspiration Point ⓘ Lookout Point ⓘ |
| length |
approximately 20 miles
ⓘ
approximately 32 kilometers ⓘ |
| locatedIn |
United States of America
ⓘ
surface form:
United States
Wyoming ⓘ Yellowstone National Park ⓘ |
| maximumDepth |
approximately 1,200 feet
ⓘ
approximately 360 meters ⓘ |
| namedAfter | Yellowstone River ⓘ |
| nameEtymology | yellow-colored rocks of the canyon walls ⓘ |
| notableFor |
geothermal-influenced rock formations
ⓘ
multicolored rock walls ⓘ powerful waterfalls ⓘ scenic vistas ⓘ steep cliffs ⓘ |
| partOf |
Yellowstone Caldera
ⓘ
surface form:
Yellowstone Caldera landscape
|
| protectedArea | Yellowstone National Park ⓘ |
| region | Rocky Mountains ⓘ |
| river | Yellowstone River ⓘ |
| tourism | major visitor attraction in Yellowstone National Park ⓘ |
| waterfallHeight |
Lower Falls approximately 308 feet
ⓘ
Lower Falls approximately 94 meters ⓘ Upper Falls approximately 109 feet ⓘ Upper Falls approximately 33 meters ⓘ |
| width |
up to about 1,200 meters
ⓘ
up to about 4,000 feet ⓘ |
| withinProtectedArea | Yellowstone National Park ⓘ |
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: Grand Canyon of the Yellowstone Description of subject: The Grand Canyon of the Yellowstone is a dramatic, multicolored river canyon in Yellowstone National Park, renowned for its steep cliffs, powerful waterfalls, and striking geothermal-influenced rock formations.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Lower Falls of the Yellowstone River
this entity surface form:
Yellowstone River Canyon (Grand Canyon of the Yellowstone)