Willamette, McKenzie & Santiam Rivers Fishing Report for Sept 9th Posted on September 8, 2016Author Michael TeaguePosted in Oregon Fishing Report, Willamette Valley/Metro All Chinook have been counted as Fall Chinook at Willamette Falls since the 15th of August, at which time counts dropped from double digits to single digits in the course… Read To access this post, you must purchase One Year Membership - Oregon.