Minecraft wiki entry for Water-powered_boat_transportation, associated text: 1 Water management
1.1 Extending a straight channel
1.2 Turning a corner
1.3 Shifting to one side
1.4 Example: Endlessly circling moat
2 Floating uphill
2.1 Basic up-step
2.2 How it works
2.3 Practical construction
3 Gallery