South Fork Trinity River
E498159
The South Fork Trinity River is a major tributary of Northern California’s Trinity River, flowing through rugged, forested terrain and supporting important salmon and steelhead fisheries.
All labels observed (1)
| Label | Occurrences |
|---|---|
| South Fork Trinity River canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T4957776 — 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: South Fork Trinity River Context triple: [Trinity River Basin, contains, South Fork Trinity River]
-
A.
North Fork Trinity River
The North Fork Trinity River is a major tributary of the Trinity River in Northern California, known for its rugged canyon scenery, cold clear waters, and popular fishing and whitewater recreation.
-
B.
Elm Fork Trinity River
The Elm Fork Trinity River is a major tributary of the Trinity River in North Texas, flowing through the Dallas–Fort Worth area and feeding several reservoirs along its course.
-
C.
East Fork Trinity River
The East Fork Trinity River is a major tributary of the Trinity River in Texas that flows through North Texas and helps supply water to the Dallas–Fort Worth metropolitan area.
-
D.
Trinity River
The Trinity River is a major waterway in Texas that flows through the Dallas–Fort Worth area before continuing southeast toward the Gulf of Mexico.
-
E.
Trinity River
The Trinity River is a major waterway in northwestern California that flows through rugged forested terrain before joining the Klamath River.
- 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: South Fork Trinity River Target entity description: The South Fork Trinity River is a major tributary of Northern California’s Trinity River, flowing through rugged, forested terrain and supporting important salmon and steelhead fisheries.
-
A.
North Fork Trinity River
The North Fork Trinity River is a major tributary of the Trinity River in Northern California, known for its rugged canyon scenery, cold clear waters, and popular fishing and whitewater recreation.
-
B.
Elm Fork Trinity River
The Elm Fork Trinity River is a major tributary of the Trinity River in North Texas, flowing through the Dallas–Fort Worth area and feeding several reservoirs along its course.
-
C.
East Fork Trinity River
The East Fork Trinity River is a major tributary of the Trinity River in Texas that flows through North Texas and helps supply water to the Dallas–Fort Worth metropolitan area.
-
D.
Trinity River
The Trinity River is a major waterway in Texas that flows through the Dallas–Fort Worth area before continuing southeast toward the Gulf of Mexico.
-
E.
Trinity River
The Trinity River is a major waterway in northwestern California that flows through rugged forested terrain before joining the Klamath River.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crossedBy |
California State Route 299 (near its mouth via Trinity River)
NERFINISHED
ⓘ
California State Route 36 NERFINISHED ⓘ |
| drainageBasin | South Fork Trinity River watershed NERFINISHED ⓘ |
| drainageBasinSize | approximately 980 square miles ⓘ |
| ecoregion | Klamath Mountains ecoregion NERFINISHED ⓘ |
| environmentalIssue |
fish habitat degradation
ⓘ
logging impacts in watershed ⓘ sedimentation ⓘ |
| fishSpecies |
Chinook salmon
NERFINISHED
ⓘ
Pacific lamprey NERFINISHED ⓘ coho salmon ⓘ resident trout ⓘ steelhead trout ⓘ |
| flowsDirection | generally northwest ⓘ |
| flowsThrough |
Shasta-Trinity National Forest
NERFINISHED
ⓘ
Six Rivers National Forest NERFINISHED ⓘ |
| hasDesignation | National Wild and Scenic River (segments) NERFINISHED ⓘ |
| length | approximately 81 miles ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Humboldt County, California NERFINISHED ⓘ Northern California ⓘ Trinity County, California NERFINISHED ⓘ |
| majorTributary |
Butter Creek
NERFINISHED
ⓘ
Hayfork Creek NERFINISHED ⓘ Rattlesnake Creek NERFINISHED ⓘ Smoky Creek NERFINISHED ⓘ |
| managementAgency | U.S. Forest Service NERFINISHED ⓘ |
| mouthLocation |
Trinity River near Salyer, California
NERFINISHED
ⓘ
near the community of Salyer ⓘ |
| nearbySettlement |
Hyampom, California
NERFINISHED
ⓘ
Salyer, California NERFINISHED ⓘ |
| notableFor |
important salmon and steelhead runs
ⓘ
relatively undammed mainstem ⓘ |
| recreation |
camping
ⓘ
fishing ⓘ swimming ⓘ whitewater boating ⓘ |
| region | Pacific Northwest (broad hydrologic sense) NERFINISHED ⓘ |
| riverSystem | Klamath River basin NERFINISHED ⓘ |
| sourceLocation |
Klamath Mountains
NERFINISHED
ⓘ
Yolla Bolly Mountains NERFINISHED ⓘ |
| state |
California, United States
ⓘ
surface form:
California
|
| supportsFishery |
salmon
ⓘ
steelhead ⓘ |
| terrain |
forested
ⓘ
rugged ⓘ |
| tributaryOf | Trinity River 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: South Fork Trinity River Description of subject: The South Fork Trinity River is a major tributary of Northern California’s Trinity River, flowing through rugged, forested terrain and supporting important salmon and steelhead fisheries.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.