Yes, the majority of hotel reservations are refundable if you cancel before the accommodation's cancellation deadline, which often is within 24-48 hours of check in. If you booked a non-refundable reservation, you might be able to still cancel and receive a refund within 24 hours of your booking. Enter dates in and click on "Search", then you can filter by "fully refundable" to get the top deals on offer near St. Mary Lake.