Yes, most hotel bookings are refundable if you cancel prior to the accommodation's cancellation deadline, which often is within 24-48 hours of your check-in date. If you have a non-refundable reservation, it may still be possible to cancel it and receive a refund within 24 hours of your booking. Plug in your dates, click on "Search", then you can use the "fully refundable" filter to get the best deals available near Watermill Lake.