The Avon Canoe Pilot - Mud Launch.

Mud launching is exhilarating and messy. 

Find a spot that's free of obstacles and has a steady gradient 
into the water. Position the canoe at a suitable angle for water 
entry. Physically guide the vessel down the bank into your launch 
spot which should be just past the reed and grass areas. The mud 
conditions will help you decide the moment for launching. Begin 
the launch and enter at the same time as your partner and brace 
yourselves at the back of the canoe.

Depending on mud conditions, water entry can range from a high 
speed water collision to slow and sticky slide-in. Fastest slides
can be expected just after high water or heavy rain.