Merced River canyon
E253692
Merced River canyon is a steep, scenic gorge in Yosemite National Park carved by the Merced River, known for its dramatic cliffs, waterfalls, and popular hiking routes.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Merced River canyon canonical | 9 |
| Merced River Canyon | 3 |
| Merced River corridor | 1 |
| Merced River trail (lower canyon area) | 1 |
| Merced Wild and Scenic River area | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2296205 — 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: Merced River canyon Context triple: [Nevada Fall Footbridge, over, Merced River canyon]
-
A.
Kaweah River canyon
Kaweah River canyon is a deep, rugged gorge in California’s Sierra Nevada carved by the Kaweah River, known for its dramatic scenery and steep granite walls.
-
B.
American River canyon
The American River canyon is a scenic, steep-walled gorge in California known for its rugged landscapes, recreational opportunities, and historical significance from the Gold Rush era.
-
C.
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.
-
D.
Kern River Canyon
Kern River Canyon is a rugged, steep-walled gorge carved by the Kern River in California’s southern Sierra Nevada, known for its dramatic scenery and challenging access.
-
E.
Canyon
Canyon is a famous 1959 combine painting by Robert Rauschenberg that merges traditional painting with found objects, including a stuffed bald eagle, exemplifying his radical blurring of art and everyday materials.
- 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: Merced River canyon Target entity description: Merced River canyon is a steep, scenic gorge in Yosemite National Park carved by the Merced River, known for its dramatic cliffs, waterfalls, and popular hiking routes.
-
A.
Kaweah River canyon
Kaweah River canyon is a deep, rugged gorge in California’s Sierra Nevada carved by the Kaweah River, known for its dramatic scenery and steep granite walls.
-
B.
American River canyon
The American River canyon is a scenic, steep-walled gorge in California known for its rugged landscapes, recreational opportunities, and historical significance from the Gold Rush era.
-
C.
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.
-
D.
Kern River Canyon
Kern River Canyon is a rugged, steep-walled gorge carved by the Kern River in California’s southern Sierra Nevada, known for its dramatic scenery and challenging access.
-
E.
Canyon
Canyon is a famous 1959 combine painting by Robert Rauschenberg that merges traditional painting with found objects, including a stuffed bald eagle, exemplifying his radical blurring of art and everyday materials.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
canyon
ⓘ
geographical feature ⓘ landform ⓘ |
| carvedBy | Merced River ⓘ |
| climate | Mediterranean climate ⓘ |
| contains | Merced River ⓘ |
| ecosystemType |
montane forest
ⓘ
riparian habitat ⓘ |
| formedByProcess | river erosion ⓘ |
| geology |
granite
ⓘ
metamorphic rocks ⓘ |
| hasAccessRoad |
California State Route 140
ⓘ
El Portal Road ⓘ |
| hasCharacteristic |
dramatic cliffs
ⓘ
gorge ⓘ granite walls ⓘ scenic ⓘ steep ⓘ waterfalls ⓘ |
| hasRecreationRestriction | subject to seasonal closures and regulations in Yosemite National Park ⓘ |
| hasSeasonalFeature | spring snowmelt high flows ⓘ |
| hasTrail |
Merced River canyon
self-linksurface differs
ⓘ
surface form:
Merced River trail (lower canyon area)
|
| hasViewOf |
Yosemite Valley
ⓘ
surface form:
Yosemite Valley cliffs
|
| knownFor |
sheer rock faces
ⓘ
spring wildflower displays ⓘ whitewater sections of Merced River ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Mariposa County ⓘ
surface form:
Mariposa County, California
United States of America ⓘ
surface form:
United States
Yosemite National Park ⓘ |
| managedBy |
National Park Service
ⓘ
surface form:
U.S. National Park Service
|
| near | El Portal, California ⓘ |
| partOf |
Merced River canyon
self-linksurface differs
ⓘ
surface form:
Merced River corridor
Merced River canyon self-linksurface differs ⓘ
surface form:
Merced Wild and Scenic River area
Sierra Nevada ⓘ |
| popularFor |
hiking
ⓘ
photography ⓘ rock climbing ⓘ sightseeing ⓘ |
| tourismActivity |
day hiking
ⓘ
river recreation ⓘ scenic driving ⓘ |
| traversedBy | Merced River ⓘ |
| withinProtectedArea | Yosemite 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: Merced River canyon Description of subject: Merced River canyon is a steep, scenic gorge in Yosemite National Park carved by the Merced River, known for its dramatic cliffs, waterfalls, and popular hiking routes.
Referenced by (15)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Merced River Canyon
this entity surface form:
Merced River Canyon
this entity surface form:
Merced River Canyon
this entity surface form:
Merced River corridor
this entity surface form:
Merced Wild and Scenic River area
this entity surface form:
Merced River trail (lower canyon area)