One of the best fishing trips I experienced in Alaska was a trip on the Naknek River in the early fall. And it was a late fall, many were out hunting Caribou. We fished some silvers and a lot of Rainbows. We caught many rainbows from 24" to 30" and some bigger. What an amazing trip. What was hot at the time were black miraboo jigs with silver eyes, if that helps. Two of us were fishing and had a guy running the boat. He was a friend, and doesn't guide professionally, but I'm sure there are some. If interested I can give you a name or two, make your own deal. It was a wonderful experience.
