Well I think I have chosen a reel, now I need to think about a line to go with it. Gonna get a WF/F but I know I am going to need a sinker line to get down to Chinook in the deep holes.

Is a sinker line gonna be enough or do I have to start thinking about shooting heads and relearning fly casting all over again?

Have been looking at both the Cortland 333 and 444 and finding a class III sink rate which I have found means 3-4 IPS sink rate. That doesn't seem like enough to get down 10-15 feet before the line is pulled past the hole. I simply don't know enough to even guess.

For those that fish the Humptulips, my example would be the Bluff hole below Stevens creek as to what flow rates I would be fishing and a general idea of the type of hole I plan to hit for Chinook. Another would be carbody although it is much slower and I don't think getting deep would be as much of an issue.

One of the biggest questions is will a standard sinking 3-4 IPS sink rate line continue to sink even though the line has made it downstream of me or will it begins to raise because of the flowing water? Faster water I would expect it.

I know it is asking a lot and if I am simply trying to take on something that is a few skill levels above me I may just relent to shallower runs where Coho sit and hope for a Chinook once in a while.
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Taking my fishing poles with me to a body of water that has fish in it is not an excuse to enjoy the scenery.