MightyMartian (840721) writes "NASA scientists say Cassini has discovered that far fewer craters on Titan than on the other moons of Saturn. The craters they have discovered are far shallower than other moons' craters and appear to be filling with hydrocarbon sand. On top of being yet another reason Titan's active geology is very cool, it adds to the mystery of where all the methane on Titan is coming from." Link to Original Source
I've never been canoeing before, but I imagine there must be just a few
simple heuristics you have to remember...
Yes, don't fall out, and don't hit rocks.