Fishwhisperer44
Lakes: Open all year.
Streams: Open during trout, salmon or steelhead seasons, except
mainstem Willamette River and sloughs and tidewater areas of Columbia River tributaries
downstream from Bonneville Dam are open all year.
The Tualatin is only open May 23rd through October 31st. It does not have any salmon/steelhead season other than for coho, and that ends in October. it is not a tidewater portion of the Columbia river tributaries, and only the mainstem Willamette is open all year.