PARC Management Season Passes

Are the season passes for any park just like Six Flags? Also does any other chain have that like Six Flags besides Cedar Fair and there platinum parks?

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I have one for Darien Lake, it is good at the other PARC Management parks (quoting from the back of my pass Darien Lake, Elitch Gardens, Frontier city and White Water Bay, Wild Waves Theme Park, Houston Splashtown and Waterworld USA). I would assume that starting next year they will also be good at Magic Springs, which is a decent park as well.

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Thanks.

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