Alcatraz Island
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Alcatraz Island at a glance
- Best time
- March–May, October–November
- Trip length
- Half day–2 days
- Don't miss
- Visit the New Industries Building
- Nearby city
- San Francisco Bay, CA
Explore this park
About Alcatraz Island
Alcatraz reveals stories of American incarceration, justice, and our common humanity. This small island was once a fort, a military prison, and a maximum security federal penitentiary. In 1969, the Indians of All Tribes occupied Alcatraz for 19 months in the name of freedom and Native American civil rights. We invite you to explore Alcatraz's complex history and natural beauty.
3 current NPS alerts
- Park Closure: Alcatraz Island to Temporarily Close in Fall for Dock Repairs
- Caution: Auto-Theft Warning - Only Bring What You Need to the Park
- Information: Hospital wing, dining hall, shower room closed for rehabilitation work
Source: National Park Service (as of Nov 11, 2026). Official Alcatraz Island page on nps.gov
Weather Information
The climate on Alcatraz is unpredictable and can change suddenly. Cold, foggy mornings may give way to sunny afternoons, which in turn can shift quickly back to more fog and blustery winds. The most pleasant weather usually occurs in spring and fall.
- Summer
tend to be cool and foggy, winter is our rainy season.
Temperatures on Alcatraz seldom rise above 75°F (24°C) or fall below 38°
Operating Hours
Access to Alcatraz Island is via commercial ferry service. For ticket reservation and schedule call (415) 981-7625 or go to www.alcatrazcitycruises.com. The ferry schedule changes seasonally. Alcatraz is closed on Thanksgiving, Christmas and New Years Day. Once on the island you can stay up to the last ferry. Be aware that tickets sell out quickly and reservations are recommended. Tickets go on sale 90 days in advance.
- Monday9:00AM - 6:30PM
- Tuesday9:00AM - 9:30PM
- Wednesday9:00AM - 9:30PM
- Thursday9:00AM - 9:30PM
- Friday9:00AM - 9:30PM
- Saturday9:00AM - 9:30PM
- Sunday9:00AM - 6:30PM
Common questions
Planning Alcatraz Island
The summary above covers timing and highlights. These go deeper on reservations, crowds, and logistics — check Alerts for live updates.
Reservation rules vary by season and activity for Alcatraz Island. See Overview on this page for fees, timed entry, and campground details before you travel.
