Jacob’s Well Natural Area
E514123
Jacob’s Well Natural Area is a popular Texas Hill Country preserve centered around a clear artesian spring and swimming hole that serves as the headwaters of Cypress Creek and a gateway to an extensive underwater cave system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Jacob’s Well Natural Area canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5359582 — 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: Jacob’s Well Natural Area Context triple: [Hays County, containsProtectedArea, Jacob’s Well Natural Area]
-
A.
Clifty Creek Natural Area
Clifty Creek Natural Area is a protected scenic site in Missouri known for its dramatic forested bluffs, rocky cliffs, and natural bridge along Clifty Creek.
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B.
Greenwell State Park
Greenwell State Park is a public recreation and conservation area in Maryland known for its waterfront access, trails, and outdoor activities along the Patuxent River.
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C.
Giant Springs State Park
Giant Springs State Park is a scenic Montana state park known for its large natural freshwater springs, riverside trails, and historic features along the Missouri River near Great Falls.
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D.
Saunders Recreation Area
Saunders Recreation Area is a public outdoor recreation site in Tewksbury, Massachusetts, offering residents and visitors space for leisure activities and community use.
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E.
Heyburn State Park
Heyburn State Park is Idaho’s oldest state park, known for its forested hills, lakes, and recreational opportunities in the southern Coeur d'Alene region.
- 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: Jacob’s Well Natural Area Target entity description: Jacob’s Well Natural Area is a popular Texas Hill Country preserve centered around a clear artesian spring and swimming hole that serves as the headwaters of Cypress Creek and a gateway to an extensive underwater cave system.
-
A.
Clifty Creek Natural Area
Clifty Creek Natural Area is a protected scenic site in Missouri known for its dramatic forested bluffs, rocky cliffs, and natural bridge along Clifty Creek.
-
B.
Greenwell State Park
Greenwell State Park is a public recreation and conservation area in Maryland known for its waterfront access, trails, and outdoor activities along the Patuxent River.
-
C.
Giant Springs State Park
Giant Springs State Park is a scenic Montana state park known for its large natural freshwater springs, riverside trails, and historic features along the Missouri River near Great Falls.
-
D.
Saunders Recreation Area
Saunders Recreation Area is a public outdoor recreation site in Tewksbury, Massachusetts, offering residents and visitors space for leisure activities and community use.
-
E.
Heyburn State Park
Heyburn State Park is Idaho’s oldest state park, known for its forested hills, lakes, and recreational opportunities in the southern Coeur d'Alene region.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
nature preserve
ⓘ
recreational area ⓘ swimming hole ⓘ |
| accessPolicy |
day-use only
ⓘ
reservation required for swimming during peak season ⓘ |
| aquifer | Trinity Aquifer NERFINISHED ⓘ |
| conservationFocus |
aquifer recharge protection
ⓘ
habitat preservation ⓘ spring flow protection ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| ecosystemType |
Edwards Plateau woodland
ⓘ
riparian habitat ⓘ |
| environmentalConcern |
aquifer depletion risk
ⓘ
variable spring flow due to drought ⓘ |
| flora |
Texas persimmon
NERFINISHED
ⓘ
ashe juniper ⓘ live oak ⓘ |
| hasFeature |
Cypress Creek headwaters
NERFINISHED
ⓘ
artesian spring ⓘ hiking trails ⓘ karst topography ⓘ limestone swimming hole ⓘ picnic areas ⓘ underwater cave system ⓘ viewing platforms ⓘ |
| hasPart |
Jacob’s Well spring opening
NERFINISHED
ⓘ
horizontal underwater cave passages ⓘ submerged vertical shaft ⓘ |
| hydrologicalRole | headwaters of Cypress Creek ⓘ |
| knownFor |
clear spring water
ⓘ
cliff jumping (historically) ⓘ deep underwater cave system ⓘ environmental education ⓘ swimming ⓘ water conservation efforts ⓘ |
| locatedIn |
Hays County, Texas
NERFINISHED
ⓘ
Texas Hill Country NERFINISHED ⓘ |
| managedBy | Hays County Parks Department NERFINISHED ⓘ |
| nearestCity | Wimberley, Texas NERFINISHED ⓘ |
| recreationalActivity |
hiking
ⓘ
photography ⓘ swimming ⓘ wildlife viewing ⓘ |
| safetyPolicy |
cliff jumping prohibited
ⓘ
diving prohibited ⓘ |
| springType | artesian spring ⓘ |
| subjectTo | seasonal swimming closures due to low water levels ⓘ |
| watercourse | Cypress Creek 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: Jacob’s Well Natural Area Description of subject: Jacob’s Well Natural Area is a popular Texas Hill Country preserve centered around a clear artesian spring and swimming hole that serves as the headwaters of Cypress Creek and a gateway to an extensive underwater cave system.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.