Obsidian Trailhead
E946173
Obsidian Trailhead is a primary access point for hikers entering the Obsidian Limited Entry Area in the Three Sisters Wilderness of Oregon’s Cascade Range.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Obsidian Trail | 1 |
| Obsidian Trailhead canonical | 1 |
| Obsidian trailhead | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11778801 — 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: Obsidian Trailhead Context triple: [Obsidian Limited Entry Area, hasTrailhead, Obsidian Trailhead]
-
A.
Hermit Trail
Hermit Trail is a rugged, historic hiking route in Grand Canyon National Park that descends steeply from the South Rim toward the Colorado River.
-
B.
Mist Trail
Mist Trail is a popular and steep hiking route in Yosemite National Park known for its close-up, mist-soaked views of Vernal and Nevada Falls.
-
C.
Bosses Ridge
Bosses Ridge is a prominent high-altitude snow and ice ridge on Mont Blanc, forming the final exposed section of one of the mountain’s classic summit routes.
-
D.
Crimson Trail
Crimson Trail is a popular hiking route in northern Utah’s Logan Canyon known for its steep climb and scenic views over the canyon and Logan River.
-
E.
Frostfire Ridge
Frostfire Ridge is a harsh, volcanic and icy region on the world of Draenor in World of Warcraft, serving as the rugged homeland of the Frostwolf orc clan.
- 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: Obsidian Trailhead Target entity description: Obsidian Trailhead is a primary access point for hikers entering the Obsidian Limited Entry Area in the Three Sisters Wilderness of Oregon’s Cascade Range.
-
A.
Hermit Trail
Hermit Trail is a rugged, historic hiking route in Grand Canyon National Park that descends steeply from the South Rim toward the Colorado River.
-
B.
Mist Trail
Mist Trail is a popular and steep hiking route in Yosemite National Park known for its close-up, mist-soaked views of Vernal and Nevada Falls.
-
C.
Bosses Ridge
Bosses Ridge is a prominent high-altitude snow and ice ridge on Mont Blanc, forming the final exposed section of one of the mountain’s classic summit routes.
-
D.
Crimson Trail
Crimson Trail is a popular hiking route in northern Utah’s Logan Canyon known for its steep climb and scenic views over the canyon and Logan River.
-
E.
Frostfire Ridge
Frostfire Ridge is a harsh, volcanic and icy region on the world of Draenor in World of Warcraft, serving as the rugged homeland of the Frostwolf orc clan.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
hiking access point
ⓘ
trailhead ⓘ |
| accesses | Obsidian Limited Entry Area NERFINISHED ⓘ |
| hasAccessRestriction | limited entry permit required for Obsidian area ⓘ |
| hasActivity |
day hiking
ⓘ
overnight hiking ⓘ |
| hasEnvironment |
subalpine forest
ⓘ
volcanic landscape ⓘ |
| hasNearbyFeature |
Middle Sister
NERFINISHED
ⓘ
North Sister NERFINISHED ⓘ Obsidian Falls NERFINISHED ⓘ |
| hasRecreationType | wilderness recreation ⓘ |
| locatedIn |
Cascade Range
ⓘ
Oregon ⓘ Three Sisters Wilderness NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
|
| managedBy |
U.S. Forest Service
ⓘ
surface form:
United States Forest Service
Willamette National Forest NERFINISHED ⓘ |
| partOf | Obsidian trail system NERFINISHED ⓘ |
| primaryAccessPointFor | Obsidian Limited Entry Area NERFINISHED ⓘ |
| region | Central Oregon Cascades NERFINISHED ⓘ |
| requiresPermitSeason | peak summer season ⓘ |
| usedFor |
backpacking
ⓘ
hiking ⓘ |
| withinProtectedArea | Three Sisters Wilderness NERFINISHED ⓘ |
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: Obsidian Trailhead Description of subject: Obsidian Trailhead is a primary access point for hikers entering the Obsidian Limited Entry Area in the Three Sisters Wilderness of Oregon’s Cascade Range.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Obsidian Trail
this entity surface form:
Obsidian trailhead