Yes, most hotel room reservations are fully refundable provided that you cancel prior to the hotel's cancellation deadline, which in most cases is within 24 or 48 hours of your arrival date. If you have a reservation that's non-refundable, you might still have the option to cancel and be given a refund within 24 hours of your booking. Plug in your dates, click on "Search", then use the filter option "fully refundable" to review the best deals near Cardunia Rocks Nature Reserve.
