Umbagog Lake
E627909
Umbagog Lake is a large, remote freshwater lake straddling the Maine–New Hampshire border, known for its rich wildlife habitat and protected status as a national wildlife refuge and state park.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Umbagog Lake canonical | 5 |
| Lake Umbagog | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3268353 — 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: Umbagog Lake Context triple: [Androscoggin River, source, Umbagog Lake]
-
A.
Messalonskee Lake
Messalonskee Lake is a large freshwater lake in central Maine known for recreation, fishing, and its scenic shoreline.
-
B.
Woods Lake
Woods Lake is a scenic alpine lake in the Sierra Nevada of California, popular for camping, fishing, and hiking in the Carson Pass area.
-
C.
Raquette Lake
Raquette Lake is a scenic lake in the Adirondack Mountains of New York, known for its historic Great Camps, outdoor recreation, and largely undeveloped shoreline.
-
D.
Phelps Lake
Phelps Lake is a scenic glacial lake in Wyoming’s Grand Teton National Park, known for its clear waters, surrounding forests, and striking views of the Teton Range.
-
E.
St. Mary Lake
St. Mary Lake is a prominent alpine lake in Montana’s Rocky Mountains, known for its striking turquoise waters and scenic mountain backdrop within Glacier 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: Umbagog Lake Target entity description: Umbagog Lake is a large, remote freshwater lake straddling the Maine–New Hampshire border, known for its rich wildlife habitat and protected status as a national wildlife refuge and state park.
-
A.
Messalonskee Lake
Messalonskee Lake is a large freshwater lake in central Maine known for recreation, fishing, and its scenic shoreline.
-
B.
Woods Lake
Woods Lake is a scenic alpine lake in the Sierra Nevada of California, popular for camping, fishing, and hiking in the Carson Pass area.
-
C.
Raquette Lake
Raquette Lake is a scenic lake in the Adirondack Mountains of New York, known for its historic Great Camps, outdoor recreation, and largely undeveloped shoreline.
-
D.
Phelps Lake
Phelps Lake is a scenic glacial lake in Wyoming’s Grand Teton National Park, known for its clear waters, surrounding forests, and striking views of the Teton Range.
-
E.
St. Mary Lake
St. Mary Lake is a prominent alpine lake in Montana’s Rocky Mountains, known for its striking turquoise waters and scenic mountain backdrop within Glacier National Park.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
freshwater lake
ⓘ
lake ⓘ natural feature ⓘ |
| basinCountry |
United States
ⓘ
linked to:
United States of America
|
| country |
United States
ⓘ
linked to:
United States of America
|
| hasDesignation | Important Bird Area ⓘ |
| hasEcosystemType | northern forest lake ⓘ |
| hasManagementAuthority |
Maine state agencies
ⓘ
New Hampshire Division of Parks and Recreation ⓘ U.S. Fish and Wildlife Service ⓘ |
| hasProtectionStatus |
national wildlife refuge
ⓘ
state park ⓘ |
| hasRecreationActivity |
boating
ⓘ
canoeing ⓘ cross-country skiing ⓘ hunting ⓘ ice fishing ⓘ kayaking ⓘ snowmobiling ⓘ wildlife viewing ⓘ |
| hasShorelineType | largely undeveloped shoreline ⓘ |
| hasWildlife |
bald eagles
ⓘ
black bear ⓘ brook trout ⓘ landlocked salmon ⓘ largemouth bass ⓘ loons ⓘ moose ⓘ smallmouth bass ⓘ waterfowl ⓘ |
| inflow | Androscoggin River ⓘ |
| knownFor |
bird watching
ⓘ
camping ⓘ fishing ⓘ paddling opportunities ⓘ remote location ⓘ rich wildlife habitat ⓘ |
| locatedIn |
Maine
ⓘ
New Hampshire ⓘ |
| locatedInRegion | New England ⓘ |
| locatedNear |
Errol, New Hampshire
ⓘ
Upton, Maine ⓘ |
| locatedOnBorderOf |
Maine
ⓘ
New Hampshire ⓘ |
| outflow | Androscoggin River ⓘ |
| partOf |
Umbagog Lake State Park
ⓘ
Umbagog National Wildlife Refuge ⓘ |
| waterType | freshwater ⓘ |
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: Umbagog Lake Description of subject: Umbagog Lake is a large, remote freshwater lake straddling the Maine–New Hampshire border, known for its rich wildlife habitat and protected status as a national wildlife refuge and state park.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Umbagog Lake