Landscape Arch
E262216
Landscape Arch is a famously slender and elongated natural sandstone arch in Utah, renowned as one of the longest rock spans in the world.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Landscape Arch canonical | 11 |
How this entity was disambiguated
This entity first appeared as the object of triple T2383058 — 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: Landscape Arch Context triple: [Arches National Park, contains, Landscape Arch]
-
A.
Delicate Arch
Delicate Arch is a famous freestanding natural sandstone arch in Utah and one of the most iconic landmarks of the American Southwest.
-
B.
Bogenfels rock arch
Bogenfels rock arch is a dramatic natural sea arch on Namibia’s Atlantic coast, famed for its striking rock formation rising from the ocean near Lüderitz.
-
C.
Lapa Arches
Lapa Arches is a historic 18th-century aqueduct in Rio de Janeiro that now serves as an iconic bridge for the city’s tramway and a symbol of the bohemian Lapa neighborhood.
-
D.
Skyline Arch
Skyline Arch is a prominent natural sandstone arch formation in Utah’s Arches National Park, known for its dramatic opening that expanded significantly after a large rockfall in 1940.
-
E.
Sand Dune Arch
Sand Dune Arch is a small, secluded sandstone arch nestled in deep sand and narrow fins, popular as a short, family-friendly hike within Arches National Park in Utah.
- 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: Landscape Arch Target entity description: Landscape Arch is a famously slender and elongated natural sandstone arch in Utah, renowned as one of the longest rock spans in the world.
-
A.
Delicate Arch
Delicate Arch is a famous freestanding natural sandstone arch in Utah and one of the most iconic landmarks of the American Southwest.
-
B.
Bogenfels rock arch
Bogenfels rock arch is a dramatic natural sea arch on Namibia’s Atlantic coast, famed for its striking rock formation rising from the ocean near Lüderitz.
-
C.
Lapa Arches
Lapa Arches is a historic 18th-century aqueduct in Rio de Janeiro that now serves as an iconic bridge for the city’s tramway and a symbol of the bohemian Lapa neighborhood.
-
D.
Skyline Arch
Skyline Arch is a prominent natural sandstone arch formation in Utah’s Arches National Park, known for its dramatic opening that expanded significantly after a large rockfall in 1940.
-
E.
Sand Dune Arch
Sand Dune Arch is a small, secluded sandstone arch nestled in deep sand and narrow fins, popular as a short, family-friendly hike within Arches National Park in Utah.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
natural sandstone arch
ⓘ
rock formation ⓘ tourist attraction ⓘ |
| accessFrom | Arches National Park main road via Devils Garden trailhead ⓘ |
| approximateHeight |
about 24 meters
ⓘ
about 77 feet ⓘ |
| approximateSpanLength |
about 290 feet
ⓘ
about 88 meters ⓘ |
| bestViewingTime |
early morning
ⓘ
late afternoon ⓘ |
| climateZone | semi-arid desert ⓘ |
| conservationStatus | protected within a U.S. national park ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| county | Grand County, Utah ⓘ |
| experiencedRockfall | yes ⓘ |
| formationProcess |
erosion
ⓘ
weathering ⓘ |
| geologicalFormation | sandstone arch ⓘ |
| hasAccessTrail | Devils Garden Trail ⓘ |
| hasUNESCOStatus | no ⓘ |
| locatedIn |
Arches National Park
ⓘ
Grand County, Utah ⓘ United States ⓘ
linked to:
United States of America
Utah ⓘ |
| locatedInDesertRegion | Colorado Plateau ⓘ |
| locatedInPhysiographicProvince | Colorado Plateau ⓘ |
| managingOrganization |
U.S. National Park Service
ⓘ
linked to:
National Park Service
|
| material | sandstone ⓘ |
| nearestCity | Moab, Utah ⓘ |
| notableFor |
being one of the longest natural rock spans in the world
ⓘ
delicate and thin arch profile ⓘ extremely slender rock span ⓘ |
| notableRockfallEvent | large rock slab collapse in the 1990s ⓘ |
| orientation | horizontally elongated arch ⓘ |
| parkEntranceFeeRequired | yes ⓘ |
| partOf |
Devils Garden area
ⓘ
linked to:
Devils Garden
|
| photographicSubject | popular landscape photography location ⓘ |
| reasonForRestriction | risk of rockfall ⓘ |
| riskFactor | ongoing natural erosion ⓘ |
| rockType | Entrada Sandstone ⓘ |
| safetyRestriction | no walking under the arch allowed ⓘ |
| state | Utah ⓘ |
| timeToHikeFromTrailhead | about 30 to 45 minutes one way ⓘ |
| tourismImportance | major attraction of Arches National Park ⓘ |
| trailDifficulty | easy to moderate ⓘ |
| viewingDistanceRequirement | must be viewed from behind fences ⓘ |
| visitorAccess | viewed from designated trail viewpoints ⓘ |
| withinProtectedArea | Arches 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: Landscape Arch Description of subject: Landscape Arch is a famously slender and elongated natural sandstone arch in Utah, renowned as one of the longest rock spans in the world.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.