Yup free
There is no entrance fee, there is a lot to park because visitors do not stay long because there is no bathroom there.
I went on July 20 and they didn't charge me an entrance fee.
No, you don't have to pay for parking, you have to look for a place to park because sometimes it's full and before you get there you have to go to the bathroom because there are no restrooms there.
There is no need to pay entrance. You park and see it. It's a public park :)
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