Yes, you'll find most hotel reservations are fully refundable as long as you cancel prior to the hotel's cancellation deadline, which is often 24 or 48 hours before your check-in date. If your reservation is non-refundable, it might still be possible to cancel it and get a refund within a 24-hour period of booking. Add your dates and click on "Search", then you can filter by "fully refundable" to view the best options available near Hals Museum.