Yes, the majority of hotel bookings are fully refundable provided that you cancel prior to the accommodation's cancellation deadline, which is often 24 or 48 hours before the scheduled arrival. If you have a reservation that's non-refundable, it might still be possible to cancel it and be given a refund within 24 hours of your booking. Enter dates in and click on "Search", then you can filter by "fully refundable" to get top deals close to Gruta de Lourdes.