Thompson Pass
E475675
Thompson Pass is a high mountain pass in Alaska’s Chugach Mountains, noted for its extreme snowfall and role as a key route between the coast and the state’s interior.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Thompson Pass canonical | 4 |
| Thompson Pass, Alaska | 2 |
| Thomson Pass | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4740105 — 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: Thompson Pass Context triple: [Richardson Highway, passesNear, Thompson Pass]
-
A.
Harrison Pass
Harrison Pass is a high mountain pass in Nevada that provides a key crossing through the Ruby Mountains.
-
B.
Harrison Pass
Harrison Pass is a high mountain pass in California’s Sierra Nevada, providing a rugged route across the Great Western Divide in Sequoia National Park.
-
C.
Milner Pass
Milner Pass is a high mountain pass in Colorado’s Rocky Mountain National Park, known for carrying a major transcontinental divide crossing and offering scenic alpine views.
-
D.
Muir Pass
Muir Pass is a high mountain pass in California’s Sierra Nevada, traversed by the John Muir Trail and Pacific Crest Trail and known for its remote, alpine terrain and stone shelter.
-
E.
McKenzie Pass
McKenzie Pass is a scenic mountain pass in Oregon’s Cascade Range known for its volcanic landscapes, panoramic views of nearby peaks, and access to hiking and cycling routes.
- 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: Thompson Pass Target entity description: Thompson Pass is a high mountain pass in Alaska’s Chugach Mountains, noted for its extreme snowfall and role as a key route between the coast and the state’s interior.
-
A.
Harrison Pass
Harrison Pass is a high mountain pass in Nevada that provides a key crossing through the Ruby Mountains.
-
B.
Harrison Pass
Harrison Pass is a high mountain pass in California’s Sierra Nevada, providing a rugged route across the Great Western Divide in Sequoia National Park.
-
C.
Milner Pass
Milner Pass is a high mountain pass in Colorado’s Rocky Mountain National Park, known for carrying a major transcontinental divide crossing and offering scenic alpine views.
-
D.
Muir Pass
Muir Pass is a high mountain pass in California’s Sierra Nevada, traversed by the John Muir Trail and Pacific Crest Trail and known for its remote, alpine terrain and stone shelter.
-
E.
McKenzie Pass
McKenzie Pass is a scenic mountain pass in Oregon’s Cascade Range known for its volcanic landscapes, panoramic views of nearby peaks, and access to hiking and cycling routes.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf | mountain pass ⓘ |
| access | primary highway access to Valdez from the interior ⓘ |
| accesses | Worthington Glacier area ⓘ |
| administrativeRegion | Unorganized Borough, Alaska ⓘ |
| averageWinterConditions |
deep snowpack
ⓘ
frequent high winds ⓘ |
| climate | subarctic climate ⓘ |
| connectedBy | Richardson Highway ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| distanceToValdez | about 30 miles ⓘ |
| drainageTo |
Prince William Sound region
ⓘ
linked to:
Prince William Sound
|
| elevation |
about 2,678 feet
ⓘ
about 816 meters ⓘ |
| function | transportation corridor between Alaska’s coast and interior ⓘ |
| geologicalSetting |
Chugach Mountains of the Pacific Coast Ranges
ⓘ
linked to:
Chugach Mountains
|
| hazard | avalanches affecting the Richardson Highway ⓘ |
| knownFor |
avalanche hazard
ⓘ
backcountry skiing ⓘ extreme snowfall ⓘ heavy winter storms ⓘ snowboarding ⓘ snowmachining ⓘ |
| locatedIn |
Alaska
ⓘ
Chugach Mountains ⓘ Valdez-Cordova Census Area ⓘ
linked to:
Valdez–Cordova Census Area
|
| locatedNear |
Valdez, Alaska
ⓘ
linked to:
Valdez
|
| maintenanceBy | Alaska Department of Transportation & Public Facilities ⓘ |
| namedAfter | Frank Thomson ⓘ |
| nameVariant |
Thomson Pass
ⓘ
linked to:
Thompson Pass
|
| nearbyFeature | Worthington Glacier State Recreation Site ⓘ |
| nearestCity |
Valdez, Alaska
ⓘ
linked to:
Valdez
|
| onRoute | Alaska Route 4 ⓘ |
| partOf | route to the Trans-Alaska Pipeline terminal at Valdez ⓘ |
| region |
south-central Alaska
ⓘ
linked to:
Southcentral Alaska
|
| roadStatus | subject to frequent winter closures ⓘ |
| roadType | paved highway pass ⓘ |
| role | key route between Valdez and the Alaska interior ⓘ |
| seasonalPattern | snow cover typically persists late into spring ⓘ |
| snowfallRecord |
one of the snowiest places in Alaska
ⓘ
one of the snowiest places in the United States ⓘ |
| tourism |
popular destination for winter sports enthusiasts
ⓘ
scenic drive location on Richardson Highway ⓘ |
| usedFor |
heli-skiing
ⓘ
mountaineering access ⓘ winter recreation ⓘ |
| visibility | frequent low visibility due to storms and blowing snow ⓘ |
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: Thompson Pass Description of subject: Thompson Pass is a high mountain pass in Alaska’s Chugach Mountains, noted for its extreme snowfall and role as a key route between the coast and the state’s interior.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Thompson Pass
linked to: Thompson Pass
linked to: Thompson Pass