Are bikes available from a specific spot or as you go you can rent them? Thanks

There are hikes there to rent :)

There are bikes available as you go. From a vending type machine.

There are many places around where you can rent them.

I have seen a multiple locations for bikes rental there,

I didn't see any, but i was there when the government was shut down.

Yes

Yup there are bikes

I didn't see a bike rental facility there at all.