So our heroes have made it to Ghyll. Now they have to figure out how they are going to get their boat through Ghyll's locks and down into the lower city. Maybe they shouldn't take their river boat out into the ocean? Ghost Slinger seems to think she has a way that they can get through without paying because she's very persuasive.

Angland lock system to raise and lower water level.

See Photos of an English lock at DNDTonight.com