Yes, you'll find most hotel bookings are 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 non-refundable reservation, you might be able to cancel it and be given a refund within a 24-hour period of booking. Add your dates and click on "Search", then filter by "fully refundable" to view the best deals available near Lac d'Oô.