Alcatraz Island Lighthouse
E17238
Alcatraz Island Lighthouse is a historic beacon on Alcatraz Island in San Francisco Bay, notable as the first lighthouse built on the U.S. West Coast and a key aid to navigation for ships entering the bay.
Aliases (1)
- Alcatraz Island Light ×1
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
historic structure
→
lighthouse → navigational aid → |
| associatedWith |
Alcatraz Federal Penitentiary
→
United States Lighthouse Service → |
| bay |
San Francisco Bay
→
|
| category |
Buildings and structures in San Francisco Bay
→
Lighthouses in California → Transportation infrastructure in San Francisco Bay Area → |
| constructionMaterial |
concrete
→
reinforced concrete → |
| country |
United States
→
|
| currentTowerCompleted |
1909
→
|
| distinction |
oldest operating lighthouse on the U.S. West Coast
→
|
| function |
guides ships into San Francisco Bay
→
warns of hazards around Alcatraz Island → |
| heritageStatus |
listed as a contributing structure to the Alcatraz Island National Historic Landmark
→
|
| lightCharacteristic |
flashing white light
→
|
| locatedIn |
Alcatraz Island
→
California → San Francisco Bay → San Francisco, California → United States → |
| locatedOn |
rocky outcrop of Alcatraz Island
→
|
| maintainedBy |
United States Coast Guard
→
|
| managedBy |
United States Coast Guard
→
|
| marking |
gray lantern
→
white tower → |
| near |
Golden Gate
→
San Francisco waterfront → |
| openToPublic |
no
→
|
| originalConstructionCompleted |
1854
→
|
| ownedBy |
United States federal government
→
|
| partOf |
Alcatraz Island National Historic Landmark
→
Golden Gate National Recreation Area → |
| purpose |
maritime safety
→
|
| region |
West Coast of the United States
→
|
| replaced |
original 1854 lighthouse tower
→
|
| role |
historical landmark
→
symbol of maritime history of San Francisco Bay → |
| significance |
aid to navigation for ships entering San Francisco Bay
→
first lighthouse on the U.S. West Coast → |
| towerShape |
square tower with gallery and lantern
→
tapered square tower → |
| viewableByPublic |
yes
→
|
| visibleFrom |
San Francisco waterfront
→
ferries crossing San Francisco Bay → |
| yearFirstLit |
1854
→
|
Referenced by (3)
| Subject (surface form when different) | Predicate |
|---|---|
|
Alcatraz Island
→
|
hasFacility |
|
Alcatraz Island
→
|
hasLighthouse |
|
Golden Gate National Recreation Area
("Alcatraz Island Light")
→
|
hasPart |