"Why would a Princess cruise ship have a “standard” route that takes the 1,000-feet-long ship, traveling at 20 mph through a narrow passage in Frederick Sound that is known, by any boater in Southeast Alaska, for routine use by feeding whales, lots of whales, like 30 to 50 whales."
https://www.juneauempire.com/opinion/opinion-cruise-ship-routes-dont-make-sense/