How do I hang out with girls at a water park?

A friend and I are going to a water park/amusement park in a few weeks with my family. My family is letting the two of us go around the park by ourselves. Both of us want to hang out with other people. How do we ask girls to hang out with us at a water park or even talk to them? If it matters, we are both around 16. Thank you!
How do I hang out with girls at a water park?
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