Yes, you'll find most hotel bookings are refundable provided that you cancel prior to the hotel's cancellation deadline, which is often 24 or 48 hours before your scheduled arrival. If your reservation is non-refundable, you might be able to still cancel and be given a refund within a 24-hour period of booking. Add your dates and click on "Search", then you can use the "fully refundable" filter to review the best options available near Neckartal Dam.