Alcatraz Island
A former military fort and federal prison on a cold, exposed island in San Francisco Bay.
DocumentedTicketedTicketed3 to 5 hoursChecked July 2026
Pacific Northwest and California · 1 field file
Current field files in California.
The Atlas is curated, not exhaustive. These are the sourced files in California in Volume 01, each with its own access status, evidence label, and check date. Nothing here is statewide travel advice.
- Category coverage
- Public-access summary
- Alcatraz Island: Authorized ferry access.
- Last content review
- Catalog reviewed July 2026. Each file carries its own source-check date. Conditions change; check the primary source before traveling.
Field files
Official sources used in California
Also in Pacific Northwest and California: Oregon, Washington.