Northbound Princess cruises from Vancouver to Whittier are about the only ones long enough for the Adventure Bound tour. It is a long day but Captain Steve stops many times if he sees wildlife, I've seen whales and bears with him. Getting up close and personal with the glacier is a far different experience than from the cruise ship, I've done this 6-7 times, last just a couple of weeks ago mid June. Highly recommended and a good value for your dollar. If you have the time in port I would do this as it is rare that the schedule allows