Yes, you'll find most hotel reservations are fully refundable provided that you cancel before the hotel's cancellation deadline, which is often 24 or 48 hours before your check-in date. If you have a non-refundable reservation, it might still be possible to cancel it and be given a refund within 24 hours of your booking. Add your dates and click on "Search", then use the "fully refundable" filter to review top deals close to Lake of the Ozarks State Park.