Big Obsidian Flow Trail
E68795
Big Obsidian Flow Trail is a hiking path in central Oregon that winds through dramatic, glassy obsidian lava formations within the Newberry National Volcanic Monument.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Big Obsidian Flow | 1 |
| Big Obsidian Flow Trail canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T545460 — 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: Big Obsidian Flow Trail Context triple: [Newberry Volcano, hasTrail, Big Obsidian Flow Trail]
-
A.
Pīpīwai Trail
Pīpīwai Trail is a popular scenic hiking trail in Maui’s Haleakalā National Park known for its bamboo forest, waterfalls, and lush rainforest views.
-
B.
Pohono Trail
The Pohono Trail is a scenic hiking route in Yosemite National Park that traverses the south rim of Yosemite Valley, offering panoramic views of landmarks such as El Capitan, Bridalveil Fall, and Half Dome.
-
C.
Paulina Peak Trail
Paulina Peak Trail is a popular hiking route in central Oregon that climbs to the summit of Paulina Peak, offering expansive views over Newberry Volcano and its surrounding lakes and lava flows.
-
D.
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.
-
E.
Laurel Bluffs Trail
Laurel Bluffs Trail is a hiking path in North Carolina’s Eno River State Park known for its wooded riverfront scenery and access to historic mill and homestead sites.
- 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: Big Obsidian Flow Trail Target entity description: Big Obsidian Flow Trail is a hiking path in central Oregon that winds through dramatic, glassy obsidian lava formations within the Newberry National Volcanic Monument.
-
A.
Pīpīwai Trail
Pīpīwai Trail is a popular scenic hiking trail in Maui’s Haleakalā National Park known for its bamboo forest, waterfalls, and lush rainforest views.
-
B.
Pohono Trail
The Pohono Trail is a scenic hiking route in Yosemite National Park that traverses the south rim of Yosemite Valley, offering panoramic views of landmarks such as El Capitan, Bridalveil Fall, and Half Dome.
-
C.
Paulina Peak Trail
Paulina Peak Trail is a popular hiking route in central Oregon that climbs to the summit of Paulina Peak, offering expansive views over Newberry Volcano and its surrounding lakes and lava flows.
-
D.
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.
-
E.
Laurel Bluffs Trail
Laurel Bluffs Trail is a hiking path in North Carolina’s Eno River State Park known for its wooded riverfront scenery and access to historic mill and homestead sites.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
hiking trail
ⓘ
tourist attraction ⓘ |
| access | trailhead parking area ⓘ |
| category |
Hiking trails in Oregon
ⓘ
Protected areas of Deschutes County, Oregon ⓘ Volcanic landforms of Oregon ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| county | Deschutes County ⓘ |
| geologicalContext | Newberry Volcano ⓘ |
| hasFeature |
glassy obsidian formations
ⓘ
obsidian lava flow ⓘ volcanic landscape ⓘ |
| hasRegulation |
no collecting of obsidian
ⓘ
stay on designated trail ⓘ |
| hasSurface | natural lava ⓘ |
| hazard |
sharp obsidian rocks
ⓘ
slippery surfaces when wet ⓘ |
| locatedIn |
Central Oregon
ⓘ
Deschutes County, Oregon ⓘ
linked to:
Deschutes County, Oregon, United States
Newberry National Volcanic Monument ⓘ
linked to:
Newberry Volcano
Oregon ⓘ United States ⓘ
linked to:
United States of America
|
| managedBy |
United States Forest Service
ⓘ
linked to:
U.S. Forest Service
|
| near |
La Pine, Oregon
ⓘ
Paulina Lake ⓘ |
| offersViewOf |
Big Obsidian Flow
ⓘ
linked to:
Big Obsidian Flow Trail
Newberry Caldera ⓘ
linked to:
Newberry Volcano
surrounding forest ⓘ |
| partOf |
Newberry National Volcanic Monument
ⓘ
linked to:
Newberry Volcano
Newberry Volcano ⓘ |
| state | Oregon ⓘ |
| terrain |
rocky
ⓘ
uneven ⓘ |
| trailType | loop trail ⓘ |
| typicalUseSeason |
early fall
ⓘ
summer ⓘ |
| usedFor |
hiking
ⓘ
nature observation ⓘ sightseeing ⓘ |
| withinProtectedArea |
Newberry National Volcanic Monument
ⓘ
linked to:
Newberry Volcano
|
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: Big Obsidian Flow Trail Description of subject: Big Obsidian Flow Trail is a hiking path in central Oregon that winds through dramatic, glassy obsidian lava formations within the Newberry National Volcanic Monument.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Big Obsidian Flow Trail