Happy Isles trailhead
E162255
Happy Isles trailhead is a popular starting point for several major hiking routes in Yosemite National Park, including the main trail to Half Dome and the Mist Trail.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Happy Isles trailhead canonical | 6 |
| Happy Isles Trailhead | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1404003 — 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: Happy Isles trailhead Context triple: [Snake Dike, approachFrom, Happy Isles trailhead]
-
A.
Highland trailhead
The Highland trailhead is a primary access point on the western side of the Walkway Over the Hudson, connecting visitors to trails and the elevated pedestrian bridge.
-
B.
High Pines Trail
High Pines Trail is a hiking route in Bon Echo Provincial Park known for its forested terrain and scenic views of the surrounding landscape.
-
C.
Kuloa Point Trail
Kuloa Point Trail is a short coastal hiking path in the Kīpahulu District of Haleakalā National Park on Maui, known for its scenic ocean views, lush vegetation, and access to waterfalls and pools.
-
D.
Hidden Valley Trail
Hidden Valley Trail is a popular short loop hike in Joshua Tree National Park known for its dramatic rock formations, desert scenery, and opportunities for rock climbing and wildlife viewing.
-
E.
Blue Trail
Blue Trail is a designated hiking path within Cape May Point State Park, offering visitors a marked route through the park’s coastal and natural habitats.
- 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: Happy Isles trailhead Target entity description: Happy Isles trailhead is a popular starting point for several major hiking routes in Yosemite National Park, including the main trail to Half Dome and the Mist Trail.
-
A.
Highland trailhead
The Highland trailhead is a primary access point on the western side of the Walkway Over the Hudson, connecting visitors to trails and the elevated pedestrian bridge.
-
B.
High Pines Trail
High Pines Trail is a hiking route in Bon Echo Provincial Park known for its forested terrain and scenic views of the surrounding landscape.
-
C.
Kuloa Point Trail
Kuloa Point Trail is a short coastal hiking path in the Kīpahulu District of Haleakalā National Park on Maui, known for its scenic ocean views, lush vegetation, and access to waterfalls and pools.
-
D.
Hidden Valley Trail
Hidden Valley Trail is a popular short loop hike in Joshua Tree National Park known for its dramatic rock formations, desert scenery, and opportunities for rock climbing and wildlife viewing.
-
E.
Blue Trail
Blue Trail is a designated hiking path within Cape May Point State Park, offering visitors a marked route through the park’s coastal and natural habitats.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
hiking trailhead
ⓘ
trailhead ⓘ |
| accessVia |
Happy Isles
ⓘ
surface form:
Happy Isles shuttle stop
Yosemite Valley shuttle system ⓘ |
| approxElevation | about 4,000 feet above sea level ⓘ |
| connectedBy | paved paths from shuttle stop ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| givesAccessTo |
Half Dome Trail
ⓘ
John Muir Trail ⓘ Little Yosemite Valley ⓘ Merced River canyon ⓘ
surface form:
Merced River Canyon
Mist Trail ⓘ Nevada Fall ⓘ Vernal Fall ⓘ |
| hasNearbyFeature |
Happy Isles Bridge
ⓘ
Happy Isles Nature Center ⓘ Merced River ⓘ |
| hasParking | limited parking nearby in Yosemite Valley ⓘ |
| hasTrailSignageIn | English ⓘ |
| isPopularFor |
access to Half Dome
ⓘ
access to waterfalls ⓘ scenic river views ⓘ |
| 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 ⓘ Yosemite Valley ⓘ |
| managedBy |
National Park Service
ⓘ
surface form:
U.S. National Park Service
|
| near | Curry Village (Half Dome Village) ⓘ |
| openingHoursNote | accessible year-round subject to weather and park regulations ⓘ |
| partOf | Happy Isles ⓘ |
| requiresPermitFor |
Half Dome cables ascent
ⓘ
overnight wilderness trips ⓘ |
| trailheadFor |
Half Dome Trail
ⓘ
surface form:
Half Dome hike
John Muir Trail ⓘ
surface form:
John Muir Trail section in Yosemite Valley
Mist Trail route ⓘ
surface form:
Mist Trail loop
backpacking trips toward Tuolumne Meadows ⓘ |
| usedFor |
backpacking
ⓘ
day hiking ⓘ wilderness access ⓘ |
| withinProtectedArea | Yosemite Wilderness ⓘ |
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: Happy Isles trailhead Description of subject: Happy Isles trailhead is a popular starting point for several major hiking routes in Yosemite National Park, including the main trail to Half Dome and the Mist Trail.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Happy Isles Trailhead