Thalay Sagar
E546255
Thalay Sagar is a prominent and technically challenging Himalayan peak in the Garhwal region of Uttarakhand, India, renowned among mountaineers for its steep rock and ice faces.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Thalay Sagar canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5779471 — 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: Thalay Sagar Context triple: [Gangotri National Park, containsPeak, Thalay Sagar]
-
A.
Sagar
Sagar is a prominent city in central India known for its educational institutions, historical significance, and role as an administrative and commercial hub in Madhya Pradesh.
-
B.
Saagar
Saagar is a 1985 Hindi romantic drama film, directed by Ramesh Sippy, that is widely acclaimed for its performances by Dimple Kapadia, Rishi Kapoor, and Kamal Haasan and its memorable music by R.D. Burman.
-
C.
Lal Bahadur Shastri Sagar
Lal Bahadur Shastri Sagar is a major reservoir in Karnataka, India, formed by the Almatti Dam on the Krishna River and used for irrigation, power generation, and water supply.
-
D.
Kala Pani
Kala Pani is the infamous British-era colonial prison in the Andaman and Nicobar Islands, known for its harsh conditions and use to exile Indian freedom fighters.
-
E.
Ganga Sagar
Ganga Sagar is a renowned pilgrimage site in West Bengal, India, where the Ganges River meets the Bay of Bengal and millions gather annually for holy bathing and worship.
- 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: Thalay Sagar Target entity description: Thalay Sagar is a prominent and technically challenging Himalayan peak in the Garhwal region of Uttarakhand, India, renowned among mountaineers for its steep rock and ice faces.
-
A.
Sagar
Sagar is a prominent city in central India known for its educational institutions, historical significance, and role as an administrative and commercial hub in Madhya Pradesh.
-
B.
Saagar
Saagar is a 1985 Hindi romantic drama film, directed by Ramesh Sippy, that is widely acclaimed for its performances by Dimple Kapadia, Rishi Kapoor, and Kamal Haasan and its memorable music by R.D. Burman.
-
C.
Lal Bahadur Shastri Sagar
Lal Bahadur Shastri Sagar is a major reservoir in Karnataka, India, formed by the Almatti Dam on the Krishna River and used for irrigation, power generation, and water supply.
-
D.
Kala Pani
Kala Pani is the infamous British-era colonial prison in the Andaman and Nicobar Islands, known for its harsh conditions and use to exile Indian freedom fighters.
-
E.
Ganga Sagar
Ganga Sagar is a renowned pilgrimage site in West Bengal, India, where the Ganges River meets the Bay of Bengal and millions gather annually for holy bathing and worship.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf | mountain ⓘ |
| approachValley | Kedar Ganga valley NERFINISHED ⓘ |
| baseAccessPoint | Gangotri NERFINISHED ⓘ |
| climbingSeason |
post-monsoon
ⓘ
pre-monsoon ⓘ |
| climbingType |
alpine climbing
ⓘ
mixed rock and ice climbing ⓘ |
| country | India ⓘ |
| district | Uttarkashi district NERFINISHED ⓘ |
| elevation |
22651 ft
ⓘ
6904 m ⓘ |
| faces | Thalay Sagar Lake (Kedartal) NERFINISHED ⓘ |
| firstAscentBy |
John Thackray
NERFINISHED
ⓘ
Peter Thexton NERFINISHED ⓘ Roy Kligfield NERFINISHED ⓘ |
| firstAscentDate | 1979-06-24 ⓘ |
| firstAscentExpedition | Anglo-American team 1979 NERFINISHED ⓘ |
| firstAscentRoute | northwest couloir and ridge ⓘ |
| hasGlacier | Thalay Sagar Glacier NERFINISHED ⓘ |
| hazard |
avalanches
ⓘ
rockfall ⓘ severe weather ⓘ |
| knownFor |
big-wall style climbing
ⓘ
steep ice faces ⓘ steep rock faces ⓘ technical difficulty ⓘ |
| locatedIn |
Gangotri region
NERFINISHED
ⓘ
Garhwal Himalaya NERFINISHED ⓘ India ⓘ Uttarakhand NERFINISHED ⓘ |
| mountainRange | Garhwal Himalaya NERFINISHED ⓘ |
| near |
Gangotri Glacier
NERFINISHED
ⓘ
Meru Peak NERFINISHED ⓘ Shivling (mountain) NERFINISHED ⓘ |
| notableFor | high-altitude technical big-wall routes ⓘ |
| notableRoute |
north face
ⓘ
south face ⓘ west face ⓘ |
| parentPeak | Gangotri group of peaks NERFINISHED ⓘ |
| partOf | Western Himalayas NERFINISHED ⓘ |
| prominence | 1000 m ⓘ |
| region | Garhwal region NERFINISHED ⓘ |
| religiousSignificance | located in a region sacred in Hinduism ⓘ |
| rockType | granite and gneiss ⓘ |
| slopeCharacteristic | very steep upper walls ⓘ |
| state | Uttarakhand 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: Thalay Sagar Description of subject: Thalay Sagar is a prominent and technically challenging Himalayan peak in the Garhwal region of Uttarakhand, India, renowned among mountaineers for its steep rock and ice faces.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.