SFO has an outdoor terrace and observation deck, located post-security at the end of the International Terminal, Boarding Area G. It is open 7 am to 11:30 pm daily, and is also accessible to United passengers in Terminal 3 via a secure connecting walkway. Terminal 2 also has an observation deck which is located before security so it is publicly accessible to anyone, and will not require a boarding pass or ticket for access.
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