California Tunnel Tree
E354178
The California Tunnel Tree is a famous giant sequoia in Yosemite National Park that has a man-made tunnel cut through its trunk, allowing visitors to walk through it.
All labels observed (1)
| Label | Occurrences |
|---|---|
| California Tunnel Tree canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T3373055 — 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: California Tunnel Tree Context triple: [Mariposa Grove of Giant Sequoias, hasNotableTree, California Tunnel Tree]
-
A.
El Palo Alto tree
El Palo Alto tree is an ancient coastal redwood in Palo Alto, California, historically significant as a landmark for early Spanish explorers and the namesake of the city.
-
B.
Stanford Tree
The Stanford Tree is the unofficial, whimsical and often irreverent costumed mascot of Stanford University’s marching band, known for its ever-changing, student-designed tree costume.
-
C.
McKinley Tree
The McKinley Tree is a notable giant sequoia in California’s Giant Forest, recognized as one of the largest and most impressive trees in the world.
-
D.
Washington Tree
Washington Tree is a notable giant sequoia in Sequoia National Park’s Giant Forest, once among the largest trees in the world before suffering major fire damage.
-
E.
Perea
Perea was a region east of the Jordan River in the early 1st century CE, forming part of Herod Antipas’s tetrarchy within the broader territory of Roman-era Judea.
- 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: California Tunnel Tree Target entity description: The California Tunnel Tree is a famous giant sequoia in Yosemite National Park that has a man-made tunnel cut through its trunk, allowing visitors to walk through it.
-
A.
El Palo Alto tree
El Palo Alto tree is an ancient coastal redwood in Palo Alto, California, historically significant as a landmark for early Spanish explorers and the namesake of the city.
-
B.
Stanford Tree
The Stanford Tree is the unofficial, whimsical and often irreverent costumed mascot of Stanford University’s marching band, known for its ever-changing, student-designed tree costume.
-
C.
McKinley Tree
The McKinley Tree is a notable giant sequoia in California’s Giant Forest, recognized as one of the largest and most impressive trees in the world.
-
D.
Washington Tree
Washington Tree is a notable giant sequoia in Sequoia National Park’s Giant Forest, once among the largest trees in the world before suffering major fire damage.
-
E.
Perea
Perea was a region east of the Jordan River in the early 1st century CE, forming part of Herod Antipas’s tetrarchy within the broader territory of Roman-era Judea.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
giant sequoia
ⓘ
tourist attraction ⓘ tree ⓘ |
| accessibleBy | foot ⓘ |
| allows | visitors to walk through trunk ⓘ |
| attracts | tourists ⓘ |
| commonName | California Tunnel Tree self-link ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| ecosystem |
Sierra Nevada montane forests
ⓘ
surface form:
Sierra Nevada mixed conifer forest
|
| hasConservationStatus | protected within national park ⓘ |
| hasTunnel | yes ⓘ |
| isLiving | true ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Mariposa County ⓘ
surface form:
Mariposa County, California
Mariposa Grove of Giant Sequoias ⓘ
surface form:
Mariposa Grove
United States of America ⓘ
surface form:
United States
Yosemite National Park ⓘ |
| locatedOn |
Sierra Nevada
ⓘ
surface form:
Sierra Nevada mountain range
|
| managementAuthority |
National Park Service
ⓘ
surface form:
U.S. National Park Service
|
| notableFor |
being a living tunnel tree
ⓘ
having a tunnel cut through its trunk ⓘ |
| partOf | Mariposa Grove of Giant Sequoias ⓘ |
| partOfProtectedArea | Yosemite National Park ⓘ |
| tourismActivity |
photography
ⓘ
sightseeing ⓘ walking through tree ⓘ |
| treeSpecies |
giant sequoia
ⓘ
surface form:
Sequoiadendron giganteum
|
| treeType | giant sequoia ⓘ |
| tunnelType | man-made tunnel ⓘ |
| tunnelUsage | pedestrian passage ⓘ |
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: California Tunnel Tree Description of subject: The California Tunnel Tree is a famous giant sequoia in Yosemite National Park that has a man-made tunnel cut through its trunk, allowing visitors to walk through it.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.