As river fishermen, we inevitably do a fair amount of clambering up and down steep hills. Sometimes it is the walk in on a goat track.   Paul De Wet and Rhett Quinn heading up the Riflespruit valley   At other times it is just part of making your way up and down a river valley.   Roy Ward looking for good footing in a river valley in KZN Either way a certain quota of sure footedness is an asset, as is a reasonable degree of fitness.