Steep Ravine area
E121911
The Steep Ravine area is a scenic coastal canyon on the slopes of Mount Tamalpais in California, known for its redwood groves, waterfalls, rustic cabins, and oceanfront hiking trails.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Steep Ravine area canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1061130 — 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: Steep Ravine area Context triple: [Mount Tamalpais State Park, contains, Steep Ravine area]
-
A.
Mount Keen area
The Mount Keen area is a mountainous region in the Angus Glens of Scotland, centered on the Munro Mount Keen and known for its upland landscapes and popular hiking routes.
-
B.
Hemlock Gorge Reservation
Hemlock Gorge Reservation is a scenic state-owned natural area along the Charles River in Newton, Massachusetts, known for its wooded trails, river views, and historic Echo Bridge.
-
C.
Murray Ridge region
The Murray Ridge region is a deep-sea area in the Arabian Sea characterized by significant seafloor depth and complex underwater topography.
-
D.
Catheys Valley
Catheys Valley is a rural unincorporated community in central California known for its ranching landscape and proximity to Yosemite National Park.
-
E.
Warner Valley
Warner Valley is a geothermal area in northeastern California known for its hot springs, mud pots, and hiking trails within Lassen Volcanic National Park.
- 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: Steep Ravine area Target entity description: The Steep Ravine area is a scenic coastal canyon on the slopes of Mount Tamalpais in California, known for its redwood groves, waterfalls, rustic cabins, and oceanfront hiking trails.
-
A.
Mount Keen area
The Mount Keen area is a mountainous region in the Angus Glens of Scotland, centered on the Munro Mount Keen and known for its upland landscapes and popular hiking routes.
-
B.
Hemlock Gorge Reservation
Hemlock Gorge Reservation is a scenic state-owned natural area along the Charles River in Newton, Massachusetts, known for its wooded trails, river views, and historic Echo Bridge.
-
C.
Murray Ridge region
The Murray Ridge region is a deep-sea area in the Arabian Sea characterized by significant seafloor depth and complex underwater topography.
-
D.
Catheys Valley
Catheys Valley is a rural unincorporated community in central California known for its ranching landscape and proximity to Yosemite National Park.
-
E.
Warner Valley
Warner Valley is a geothermal area in northeastern California known for its hot springs, mud pots, and hiking trails within Lassen Volcanic National Park.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
coastal canyon
ⓘ
recreation area ⓘ tourist attraction ⓘ |
| accessibleVia |
Dipsea Trail
ⓘ
Pacific Coast Highway ⓘ
surface form:
Highway 1
Steep Ravine Trail ⓘ |
| climate | Mediterranean climate ⓘ |
| ecosystemType |
coastal forest
ⓘ
riparian corridor ⓘ |
| hasAccommodation | environmental cabins ⓘ |
| hasFeature |
campground
ⓘ
coastal bluffs ⓘ creek ⓘ oceanfront hiking trails ⓘ redwood groves ⓘ rustic cabins ⓘ waterfalls ⓘ wooden footbridges ⓘ |
| hasRecreationActivity |
picnicking
ⓘ
tidepool exploration ⓘ trail running ⓘ |
| hasVegetation |
Douglas fir
ⓘ
surface form:
Douglas-fir
coast redwoods ⓘ coastal scrub ⓘ ferns ⓘ |
| hasViewOf |
Pacific coastline
ⓘ
Stinson Beach ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Marin County ⓘ
surface form:
Marin County, California
Mount Tamalpais State Park ⓘ
surface form:
Mount Tamalpais
United States of America ⓘ
surface form:
United States
|
| managedBy | California Department of Parks and Recreation ⓘ |
| near |
Stinson Beach
ⓘ
surface form:
Stinson Beach, California
|
| overlooks | Pacific Ocean ⓘ |
| partOf |
Golden Gate National Recreation Area
ⓘ
surface form:
Golden Gate Biosphere Reserve
Mount Tamalpais State Park ⓘ |
| popularFor |
camping
ⓘ
coastal scenery ⓘ hiking ⓘ nature photography ⓘ wildlife viewing ⓘ |
| regulation |
camping by reservation
ⓘ
day-use fees may apply ⓘ |
| subjectTo | marine fog ⓘ |
| terrain |
rocky shoreline
ⓘ
steep canyon walls ⓘ |
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: Steep Ravine area Description of subject: The Steep Ravine area is a scenic coastal canyon on the slopes of Mount Tamalpais in California, known for its redwood groves, waterfalls, rustic cabins, and oceanfront hiking trails.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.