The Trinity River in Dallas is a much more interesting float than you might guess, but it's also a little less user-friendly than you might expect. The currents are more massive than they may look from the freeway bridges, and at certain times of the year, the river can present sudden obstacles and serious perils. Nobody knows the river more intimately than Charles Allen — where to find its hidden secrets, how to avoid problems and when the most opportune times may be for an expedition by canoe. He can set you up and put you in, or he can go with you, which is the better deal because he really does know and love this deeply misunderstood old river.