Upper Willamette System Fishing Report and Forecast Posted on January 5, 2023January 7, 2023 by Glenn Zinkus Mainstem Rivers Too High – South Willamette Valley Ponds and Reservoirs Alton Baker Canal: Alton Baker Canal was stocked with 700 legal size trout last month before Christmas, for the end of year. As always,... 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.