Yes, the majority of hotel room reservations are refundable if you cancel prior to the hotel's cancellation deadline, which in most cases is within 24 or 48 hours of the scheduled arrival. If you have a reservation that's non-refundable, 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 use the "fully refundable" filter to review top deals close to Javkhlant Tolgoi.
