Im not sure, but I would recommend sunglasses or a hat as you will be going under a few very low bridged.
I think it OK to take an umbrella but it may get in the way of other peoples views may be a hat would be better
I don't think they care, but it is windy out there
I did see any signs saying that you could not.
I would say no..sunscreen works well with sunglasses
Seating is too close, pretty full boat. Also on on some of the pass throughs
What Bun said, plus it gets pretty windy.
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