Yes, most hotel reservations are fully refundable provided that you cancel before the accommodation's cancellation deadline, which often is within 24-48 hours of check in. If your reservation is non-refundable, you might be able to still cancel and be given a refund within 24 hours of booking. Plug in your dates, click on "Search", then use the filter option "fully refundable" to get the best deals available near Glimmerglass Lake.