Lake Lungern
E337081
Lake Lungern is a picturesque alpine lake in the canton of Obwalden, Switzerland, known for its turquoise waters, surrounding mountain scenery, and popular recreational activities.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lake Lungern canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T2803048 — 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: Lake Lungern Context triple: [Aare basin, contains, Lake Lungern]
-
A.
Lake Murten
Lake Murten is a small glacial lake in western Switzerland, known for its scenic shores, mild climate, and location between the Jura Mountains and the Alps.
-
B.
Volkerak lake
Volkerak lake is a Dutch freshwater lake in the Rhine–Meuse–Scheldt delta, created as part of the Delta Works water management system.
-
C.
Bütgenbach Lake
Bütgenbach Lake is an artificial reservoir in eastern Belgium known for its recreational activities such as swimming, sailing, and hiking along its scenic shores.
-
D.
Lake Hallwil
Lake Hallwil is a scenic lake in central Switzerland known for its clear waters, surrounding wetlands, and popularity for swimming, boating, and nature excursions.
-
E.
Scharmützelsee
Scharmützelsee is a popular lake in eastern Germany known for its scenic surroundings, recreational activities, and spa resorts.
- 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: Lake Lungern Target entity description: Lake Lungern is a picturesque alpine lake in the canton of Obwalden, Switzerland, known for its turquoise waters, surrounding mountain scenery, and popular recreational activities.
-
A.
Lake Murten
Lake Murten is a small glacial lake in western Switzerland, known for its scenic shores, mild climate, and location between the Jura Mountains and the Alps.
-
B.
Volkerak lake
Volkerak lake is a Dutch freshwater lake in the Rhine–Meuse–Scheldt delta, created as part of the Delta Works water management system.
-
C.
Bütgenbach Lake
Bütgenbach Lake is an artificial reservoir in eastern Belgium known for its recreational activities such as swimming, sailing, and hiking along its scenic shores.
-
D.
Lake Hallwil
Lake Hallwil is a scenic lake in central Switzerland known for its clear waters, surrounding wetlands, and popularity for swimming, boating, and nature excursions.
-
E.
Scharmützelsee
Scharmützelsee is a popular lake in eastern Germany known for its scenic surroundings, recreational activities, and spa resorts.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
lake
ⓘ
natural freshwater lake ⓘ |
| accessibleFrom |
Brünig Pass road
ⓘ
linked to:
Brünig Pass
|
| basinCountry | Switzerland ⓘ |
| climateZone | alpine climate ⓘ |
| country | Switzerland ⓘ |
| elevationAboveSeaLevel |
about 2,257 feet
ⓘ
about 688 metres ⓘ |
| hasColor | turquoise ⓘ |
| hasFeature |
forested shores
ⓘ
meadows near shoreline ⓘ steep surrounding mountain slopes ⓘ |
| hasNameInGerman |
Lungerersee
ⓘ
linked to:
Lungernsee
|
| hasNearbySettlement | Lungern ⓘ |
| inflow |
Eibach
ⓘ
Lauibach ⓘ |
| isRecreationalArea | true ⓘ |
| isTouristAttraction | true ⓘ |
| knownFor |
alpine scenery
ⓘ
mountain backdrop ⓘ recreational activities ⓘ turquoise water ⓘ |
| languageRegion | German-speaking Switzerland ⓘ |
| length | about 2 kilometres ⓘ |
| locatedBetween | Brienz region and Lake Sarnen region ⓘ |
| locatedIn |
Central Switzerland
ⓘ
Sarneraa valley ⓘ canton of Obwalden ⓘ municipality of Lungern ⓘ |
| locatedInMountainRange | Swiss Alps ⓘ |
| locatedNear | Brünig Pass ⓘ |
| outflow | Sarneraa ⓘ |
| partOf | Sarneraa river basin ⓘ |
| popularFor |
boating
ⓘ
fishing ⓘ hiking around the lake ⓘ photography ⓘ picnicking ⓘ stand-up paddleboarding ⓘ swimming ⓘ |
| surfaceArea |
about 0.77 square miles
ⓘ
about 2.0 square kilometres ⓘ |
| tourismRegion |
Central Switzerland tourism region
ⓘ
Obwalden tourism region ⓘ |
| usedFor | hydropower regulation ⓘ |
| waterType | freshwater ⓘ |
| width | up to about 0.5 kilometres ⓘ |
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: Lake Lungern Description of subject: Lake Lungern is a picturesque alpine lake in the canton of Obwalden, Switzerland, known for its turquoise waters, surrounding mountain scenery, and popular recreational activities.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.