Yes, most hotel reservations are fully refundable if cancelled prior to the hotel's cancellation deadline, which in most cases is within 24 or 48 hours of check in. If you have a reservation that's non-refundable, you might be able to still cancel and get a refund within 24 hours of booking. Plug in your dates, click on "Search", then use the "fully refundable" filter to get the best options available near Lincoln State Park.