Never seen it open :P
Last Thursday it was dry as a bone. Check with Parks & Rec office for date they will open that part of the park.
It only opens during hot days, I was there a few days ago and it was still closed
Honesty don't know.. I would assume same as the park which is Prob dawn till dusk. We found the park by mistake actually lol It's really neat; we (4yr old boy) had a blast
Opens at 10:00 a.m. Not sure when it closes.
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