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Waterpark Hours at Illinois Hotel
Reservations

Waterpark Hours of Operation

 Calm Water refers to the state of the waterpark where the wavepool, tube slide, body slide and dumping bucket will not be in operation due to lifeguards not being on duty. The lazy river, waterfalls, hot tub and yellow family slide will be in operation during this time for all to enjoy! 
 
 

ATTENTION GROUPON CUSTOMERS

In order to serve our overnight guests to our greatest ability, we are not able to guarantee Groupon vouchers on the following dates: 
January: 1, 2, 3, 4, 18, & 19 // February: 15 & 16 // March: 14th to the 31st // April: 1st to the 12th // May: 23 & 24 // July: 3, 4, 5, 10, 11, 17, 18, 24, 25 & 31 // August: 1, 7 & 8 // September: 5 & 6 // October: 10 & 11 // November: 25th to the 28th // December: 19th to the 31st
Please call our Guest Services team prior to your trip to Grand Bear Resort in order to ensure availability! (815) 399-3866

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