Mile Rock Lighthouse
E675521
Mile Rock Lighthouse is an offshore navigational beacon located at the entrance to San Francisco Bay, known for warning ships away from the treacherous Mile Rocks near Lands End.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Mile Rock Lighthouse (offshore view) | 1 |
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
lighthouse
ⓘ
navigational aid ⓘ offshore lighthouse ⓘ |
| access | only by boat ⓘ |
| automated | 1966 ⓘ |
| bodyOfWater |
Pacific Ocean
NERFINISHED
ⓘ
San Francisco Bay NERFINISHED ⓘ |
| category |
Buildings and structures in San Francisco
ⓘ
Lighthouses in California ⓘ Transportation in the San Francisco Bay Area ⓘ |
| constructionStartDate | 1905 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| deactivated | 1966 ⓘ |
| foundation | concrete and steel caisson ⓘ |
| function | navigational beacon ⓘ |
| hazardMarked | Mile Rocks NERFINISHED ⓘ |
| heritageStatus | historic lighthouse ⓘ |
| inception | 1906 ⓘ |
| lightCharacteristic | flashing white light ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Pacific Ocean ⓘ San Francisco Bay NERFINISHED ⓘ off the coast of San Francisco ⓘ |
| locatedInProtectedArea | Golden Gate National Recreation Area NERFINISHED ⓘ |
| locatedNear |
Golden Gate
NERFINISHED
ⓘ
Lands End NERFINISHED ⓘ Mile Rocks NERFINISHED ⓘ |
| locatedOff | Lands End NERFINISHED ⓘ |
| locatedOn | Mile Rock NERFINISHED ⓘ |
| locatedWestOf | Golden Gate Bridge NERFINISHED ⓘ |
| managedBy | United States Coast Guard NERFINISHED ⓘ |
| marking | white tower with red band (historical) ⓘ |
| material |
concrete
ⓘ
steel ⓘ |
| navigationArea | approaches to the Golden Gate ⓘ |
| nearCity | San Francisco NERFINISHED ⓘ |
| notableFor |
location at the entrance to San Francisco Bay
ⓘ
warning ships away from treacherous Mile Rocks ⓘ |
| partOf | navigational system of San Francisco Bay ⓘ |
| purpose |
aid navigation at the entrance to San Francisco Bay
ⓘ
warn ships away from Mile Rocks ⓘ |
| region | Northern California ⓘ |
| status | active aid to navigation (lighted structure remains) ⓘ |
| towerShape | cylindrical tower ⓘ |
| yearLit | 1906 ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.