If you just show up without a reservation, and are lucky enough to find an empty campsite, make sure you have $15 cash on hand for every night you want to stay there. There is a self check-in system which requires you to write your information on a provided envelope, put the cash inside, and drop it into a slot. If you don't, a park ranger might talk to you the next day and possibly give you a fine.
Yes
Definitely!
Yes , we did.
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