I think that a person that catches alot of fish, no matter where they fish, is a good fisherman. It is a personal preference as to choose to fish a single or multiple places and/or species and/or different runs. I think it pays to learn one stretch of a particular river real well when starting out.

My mentor is well known on the river. They say, "hang around him and you'll catch fish". He's strictly a drift bait bank fisherman and fishes the same river, same stretch but multiple areas. He used to fish a couple of different rivers but not anymore. Vows he'll never fish from a boat until he's crippled. He prefers summer fishing to winter fishing.

I like to try different areas (but not too many) types of water, and different methods, spinners, spoons, floats, pulling plugs and enjoy drift boating. I'd like to get a drift boat someday.
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I'd Rather Be Fishing for Summer Steelhead!