Waitaki river fishing around willows,tree stumps,not many places to take fish down stream,id never fish the waitaki with 20 lb line with a big side stream of 200qubs flowing to 300qub mainstream.15kg mininum,8kg to 10kg rod for river fishing or some guys use a good boat rod around willow tree holes with 40lb maxima on a ABU 7000.A season with your little abu 6500 on the waitaki pretty tough on your reel.