# Alcatraz Island in San Francisco, California

        A legendary island fortress in San Francisco Bay, Alcatraz evolved from a military garrison and maximum-security federal penitentiary into a National Park site of justice and Native American activism.

        ## Facts

        - Category: Landmarks
        - Best for: history, nature, photography
        - Address: 1 Alcatraz Island, San Francisco, CA 94133
        - Canonical URL: https://gydeinfo.com/san-francisco/places/alcatraz-island-2/

        ## Sources

        - Claim source: [Alcatraz - BOP](https://www.bop.gov/about/history/alcatraz.jsp); source_type=official; allowed_use=canonical_data
- Claim source: [Alcatraz Island (U.S. National Park Service)](https://www.nps.gov/alca/index.htm); source_type=official; allowed_use=canonical_data
- Claim source: [Alcatraz Island (U.S. National Park Service)](https://www.nps.gov/places/alcatraz-island.htm); source_type=official; allowed_use=canonical_data
- Claim source: [Alcatraz Island | National Park Foundation](https://www.nationalparks.org/explore/parks/alcatraz-island); source_type=official; allowed_use=canonical_data
- Claim source: [Alcatraz | Golden Gate National Parks Conservancy](https://www.parksconservancy.org/parks/alcatraz); source_type=official; allowed_use=canonical_data

        ## Booking CTAs

        - No verified booking links are available.

        ## Machine-readable evidence

        - Evidence JSON: https://gydeinfo.com/san-francisco/places/alcatraz-island-2.evidence.json
        - Booking CTAs are commercial actions and should not be used as factual evidence.