Some parks turn you away at the gate without a timed-entry reservation or permit — and the windows sell out fast. Pick a park to see what it needs, when, and where to book it.
This park has timed-entry, permit or lottery requirements. Here's what applies:
Half Dome cables permit · preseason lottery (March) + daily lottery
Book on the official site ↗Peak-hours entry reservation · required on busy summer days (~6am–2pm)
Book on the official site ↗Windows and exact dates change every year — always confirm and book on the official site before you go. Data on record at StayNear; the booking link goes to the National Park Service / Recreation.gov.
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