SAVE $2 off the daily gate price for admission to the park! The Parthenon Indoor Theme Park at Mt. Olympus Water & Theme Park is the ONLY Indoor Theme Park in the Dells! featuring all new indoor Go-Karts! The Parthenon is packed with amusement rides, twirling teacups, bumper karts, a rollercoaster, and prize redemption games. Medusa's Indoor Waterpark features the tallest and longest indoor waterslides in the nation; 9 waterslides, 2 children's play areas, 2 huge whirlpools, an endless river, Water Basketball, and much more!
The Never Ending Summer. Mt. Olympus Theme Park Season Passes. For only $10 per Month you can have unlimited access to Mt. Olympus Water & Theme Park when you choose our 12 month pass. Enjoy all the rides wet & dry all year long. We are the only park offering Indoor & Outdoor Water slides, Roller coasters & more all year long, rain or shine. Now is the time to get that one special person or family the perfect gift! Click the buy 08/09' Season Passes button above.
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