I am not a local (but I hope to be one soon), but I spent a week in Bend last year scouting for when we move there. The Crooked would be the best bet for catching fish (20 minutes east of Bend). The Metolius might be the nicest river you will ever get to fish, but you might come away empty handed (20 minutes north west of Bend), or finally, you could go up past Mount Bachelor and fish the upper Deschutes for Brook trout, or some great flat water fishing at Lake Hosmer or the Lava lakes.
Any one of those options I think you will find very rewarding, and all an easy drive from town.
Good luck,
cheers
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chris taylor