Yes, you'll find most room reservations are refundable provided that you cancel prior to the accommodation's cancellation deadline, which in most cases is within 24 or 48 hours of your check-in date. If your reservation is non-refundable, you might be able to still cancel and be given a refund within a 24-hour period of your booking. Add your dates and click on "Search", then use the filter option "fully refundable" to review the best deals near August A. Busch Memorial Conservation Area.