The National Park Service is the primary source for park operations, historic interpretation, accessibility and natural resources. The authorized ferry concessioner is the source for current ticket products, schedules, prices and booking terms. Bayframe 33 links to those pages directly and does not place affiliate parameters on them.
Editorial references
Alcatraz Island — National Park Service
Park alerts, visitor orientation and the main route into official Alcatraz information.
Plan Your Visit — National Park Service
Planning, fees, transportation, weather and accessibility pages used for practical visitor context.
History & Culture — National Park Service
Primary orientation for the military, prison, occupation and national park periods.
We Hold the Rock — National Park Service
Source route for the 1969–1971 occupation by Indians of All Tribes and its legacy.
https://www.nps.gov/alca/learn/historyculture/we-hold-the-rock.htm
Nature — National Park Service
Background for gardens, seabirds, habitat and living resources on the island.
Alcatraz City Cruises
The authorized route for current ticket inventory, ferry products, schedules, prices and booking conditions.
Photo register
Images are stored locally as responsive JPEG files. The preparation step resized and compressed the source files, stripped embedded metadata and may crop them responsively in the layout. No photograph is represented as a Bayframe 33 commission.
Alcatraz Island (39495489730).jpg
Creator: Bernard Spragg. NZ · License: CC0 1.0. Used for island overview imagery.
.jpg){kind=link}
Broadway Alcatraz.JPG
Creator: Jester7777 · License: public domain. Used for the Cellhouse interior.
Alcatraz Cruises ferry on Pier 33.jpg
Creator: Goyaz · License: CC BY-SA 3.0. Used for ferry and Pier 33 context.
San Francisco (CA, USA), Alcatraz, Lighthouse — 2022 — 3155.jpg
Creator: Dietmar Rabich · License: CC BY-SA 4.0. Used for the lighthouse and exposed island landscape.
,_Alcatraz,_Lighthouse_--_2022_--_3155.jpg){kind=link}
Warden's House (Alcatraz Island) (37999437431).jpg
Creator: Bernard Spragg. NZ · License: CC0 1.0. Used for the historic landscape and Warden’s House ruins.
_(37999437431).jpg){kind=link}
Alcatraz Island Scenery.jpg
Creator: Arjun R · License: CC BY-SA 4.0. Used for gardens and planted island terrain.
Indian occupation, Alcatraz (9974134026).jpg
Creator: Kate Nevens · License: CC BY 2.0. Used for surviving occupation messages.
.jpg){kind=link}
Embarcadero from Coit Tower.jpg
Creator: Daniel Schwen · License: CC BY-SA 4.0. Used for the San Francisco waterfront overview.
License note
Creative Commons licenses apply to the credited photographs, not automatically to the surrounding Bayframe 33 text, interface or branding. Attribution and share-alike obligations continue to apply when a CC-licensed image is reused. Follow the license link on each Commons file page for the full terms and available source file.