Cucamonga Peak
E370039
Cucamonga Peak is a prominent summit in Southern California known for its challenging hiking trails and expansive views over the Inland Empire and surrounding San Gabriel Mountains.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Cucamonga Peak canonical | 11 |
| USGS Cucamonga Peak | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3445128 — 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: Cucamonga Peak Context triple: [San Gabriel Mountains, containsPeak, Cucamonga Peak]
-
A.
Mount San Jacinto
Mount San Jacinto is a prominent peak in Southern California’s Peninsular Ranges, known for its dramatic rise above the surrounding desert and popular hiking and tramway access.
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B.
Tahquitz Peak
Tahquitz Peak is a prominent granite summit in Southern California known for its scenic hiking trails and historic rock climbing routes overlooking the town of Idyllwild.
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C.
Mount San Gorgonio
Mount San Gorgonio is a prominent Southern California peak known for being the tallest mountain in the region and a popular destination for hiking and mountaineering.
-
D.
Junipero Serra Peak
Junipero Serra Peak is a prominent mountain in central California known for its rugged terrain, scenic views, and location within the Los Padres National Forest.
-
E.
Fremont Peak
Fremont Peak is a prominent mountain summit in central California known for its panoramic views, state park, and historical significance to early explorers.
- 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: Cucamonga Peak Target entity description: Cucamonga Peak is a prominent summit in Southern California known for its challenging hiking trails and expansive views over the Inland Empire and surrounding San Gabriel Mountains.
-
A.
Mount San Jacinto
Mount San Jacinto is a prominent peak in Southern California’s Peninsular Ranges, known for its dramatic rise above the surrounding desert and popular hiking and tramway access.
-
B.
Tahquitz Peak
Tahquitz Peak is a prominent granite summit in Southern California known for its scenic hiking trails and historic rock climbing routes overlooking the town of Idyllwild.
-
C.
Mount San Gorgonio
Mount San Gorgonio is a prominent Southern California peak known for being the tallest mountain in the region and a popular destination for hiking and mountaineering.
-
D.
Junipero Serra Peak
Junipero Serra Peak is a prominent mountain in central California known for its rugged terrain, scenic views, and location within the Los Padres National Forest.
-
E.
Fremont Peak
Fremont Peak is a prominent mountain summit in central California known for its panoramic views, state park, and historical significance to early explorers.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
mountain peak
ⓘ
summit ⓘ |
| climate | Mediterranean mountain climate ⓘ |
| difficulty | strenuous hike ⓘ |
| elevation |
2700 m
ⓘ
8859 ft ⓘ |
| forestDistrict |
San Gabriel Mountains National Monument
ⓘ
surface form:
San Gabriel Mountains National Monument / Angeles NF
|
| hasTrail | Icehouse Canyon to Cucamonga Peak Trail ⓘ |
| hasViewOf |
Los Angeles Basin
ⓘ
surface form:
Los Angeles Basin (on clear days)
Mount Baldy NERFINISHED ⓘ Mount San Gorgonio ⓘ
surface form:
San Gorgonio Mountain
San Jacinto Peak ⓘ |
| hazards |
heat exposure in warmer months
ⓘ
loose rock ⓘ steep terrain ⓘ winter ice and snow ⓘ |
| isListedOn | various Southern California peak-bagging lists ⓘ |
| liesWithin |
San Gabriel Mountains National Monument
ⓘ
surface form:
San Gabriel Mountains National Monument (boundary area)
|
| locatedIn |
California, United States
ⓘ
surface form:
California
San Bernardino County ⓘ
surface form:
San Bernardino County, California
San Gabriel Mountains ⓘ United States of America ⓘ
surface form:
United States
|
| managedBy | U.S. Forest Service ⓘ |
| mountainRange | San Gabriel Mountains ⓘ |
| nameEtymology | named after Rancho Cucamonga / Cucamonga area ⓘ |
| nearestCity | Rancho Cucamonga, California ⓘ |
| nearestMajorHighway | Interstate 15 ⓘ |
| overlooks |
Inland Empire
ⓘ
Ontario ⓘ Rancho Cucamonga, California ⓘ
surface form:
Rancho Cucamonga
San Bernardino Valley ⓘ |
| partOf |
Angeles National Forest
NERFINISHED
ⓘ
Cucamonga Wilderness ⓘ San Bernardino National Forest NERFINISHED ⓘ |
| popularFor |
backpacking
ⓘ
day hiking ⓘ snow hiking (in winter and spring) ⓘ trail running ⓘ |
| primaryAccessTrailhead |
Icehouse Canyon Trailhead
ⓘ
Middle Fork Lytle Creek Trailhead ⓘ |
| prominence | ~1130 ft ⓘ |
| region | Southern California ⓘ |
| requiresPermit | wilderness permit for Cucamonga Wilderness (day use and overnight, seasonally) ⓘ |
| topographicMap |
USGS Telegraph Peak
ⓘ
surface form:
USGS Cucamonga Peak
|
| typicalElevationGain | ~4000 ft via Icehouse Canyon ⓘ |
| typicalRoundTripDistance | ~12 miles via Icehouse Canyon ⓘ |
| typicalWinterConditions | snow and ice on upper slopes ⓘ |
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: Cucamonga Peak Description of subject: Cucamonga Peak is a prominent summit in Southern California known for its challenging hiking trails and expansive views over the Inland Empire and surrounding San Gabriel Mountains.
Referenced by (12)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Iron Mountain (San Gabriel Mountains)
this entity surface form:
USGS Cucamonga Peak