Yes, there are some covered benches along the way.
Yes, there are & some rain shelters (roof) as well
Yes. There are covered and uncovered bench seats at several spots on the boardwalk.
Yes
Yes, but it is a bit of a hike between them if folks have issues walking. Also, the only restroom is at the visitors center, at the start and end of the walk, so plan accordingly. It will be worth the effort!
Thanks! Your answer is awaiting moderation.