Yes, most hotel bookings are fully refundable as long as you cancel prior to the accommodation's cancellation deadline, which is usually within 24-48 hours of the scheduled arrival. If you have a reservation that's non-refundable, you may still be able to cancel and get a refund within a 24-hour period of booking. Plug in your dates, click on "Search", then use the filter option "fully refundable" to get the best options available near Lunzua Waterfall.