Not sure but ... There's a covered picnic shelter, several benches, and some fence -- plenty of unofficial place to park a bike. (And if you want to ride, there's a wide, flat gravel trail along the western edge of the developed park.)
No
I don't recall seeing one, but there are a lot of spots I would lock my bike, if needed. Baseball field fence, picnic tables by the pavilion and so on. And that's not to say they're aren't dedicated lockup spots, I've just never seen them in my few dozen runs around the entire park.
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