Because it's a State Park,.they close the park exactly at tbe designated time. There are several nearby parking garages.
Its a state park which opens ans closes at certain hours, in essence you want to haveva place to park during your 3 day event. So as far as im aware they dont tow cars. But its best to go and ask
No
They have an information center get the phone number from the website and give them a call
Sorry not I'm not sure. I believe they close that lot at night
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