Upper Willamette System Fishing Report and Forecast Posted on June 1, 2023June 1, 2023 by Glenn Zinkus June is Bass Time. Willamette Walleye Catches. Detroit Reservoir Trout. McKenzie River Prime Time – Nice Flows. Alton Baker Canal: Alton Baker was stocked with 1000 legal size rainbows this week. Note thatAlton Baker... This post is only available to Members. If you are a Member, please be sure to log in and remember to select the Remember Me option. If you want to become a member or find out more, take a look here. If you are looking for our free content head here. And, if you need a hand, please reach out here.