Yes, you'll find most hotel reservations are fully refundable if you cancel before 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 still cancel and receive a refund within a 24-hour period of booking. Add your dates and click on "Search", then you can filter by "fully refundable" to review top deals close to Serra do Mar Train.