I agree with Mr Talented Guy. There are many lockers and changing rooms as wearing bathing suits outside of the water park isn't permitted. We usually enjoy a nice meal out of the park, then come back in for the evening, so get that hand stamped so you can come back in. Also, if you are staying at a Hershey property, they let you into the park the evening before the day of your ticket. You get an extra 3 or 4 hours in the park!
You have to exit through a particular exit in order to get the stamps. If I remember correctly it's all the way to the right when exiting
Yes you get hand stamps when you leave. Although I'd reccomend bringing your clothes there and changing in the water area's showers/bathrooms
Yeah you can do that. They give you an invisible stamp that's valid for the day.
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