Yeah they're folding chairs. You'd have to check for your particular show, but if they're selling them, they'll be there. For some shows and festivals they remove them. The main header picture on the Gorge amphitheater Google maps actually shows them really well.
Yes. They are folding chairs but if you sit on the left side of the stage the sun does not go down till 9pm
Yes, there are folding chairs in those sections.
Yes for most events
Not for Phish. Yes for all other events.
For events with seating yes.
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