Yes, the majority of hotel room reservations are refundable provided that you cancel prior to the accommodation's cancellation deadline, which is often 24 or 48 hours before check in. If you have a reservation that's non-refundable, it might still be possible to cancel it and be given a refund within a 24-hour period of your booking. Enter dates in and click on "Search", then use the "fully refundable" filter to review top deals close to Guiana Amazonian Park.