Possible Clues:

• A wet cut?
• Something not really on Mars
• Locks in there
• Might Pan and his mother have made one for water?
• Turn where there is a lot of barging
• Preserve a lake or other stretch of water
• Barge's route
• Waterway where miracle was performed on fifth of April
• Érié, e.g.
• Is Albert able to get the way of the water?