Upper Willamette System Fishing Report & Forecast Posted on July 14, 2022July 16, 2022 by Glenn Zinkus McKenzie River Trout! Santiam Steelhead. Willamette System Chinooks. Alton Baker Canal: Alton Baker Canal with 900 legal size trout, and again with the same this week. As always, a great option for anglers and families... 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.