Tim,
How deep and heavy of flows are you talking?
We do quite well up here with fly gear in water up to around 6-8ft deep.
Sink Tip lines off 8-10wt rods with flies like Conehead Wooly Buggers in #4's and 6's.
(A good color for me is a Black Crystal Bugger and an Orange Cone)
Swing thru the fish Wet fly style with small strips and pauses........the strikes can be VERY heavy.[:-]
If the water is shallower as in the heads of pools where the fish will stack before pushing upstream I usually don't even need a Sink Tip.
Conventional tackle.......No clue.
