https://myodfw.com/fishing/species/trout/stocking-schedule?field_zone_value=All&field_waterbody_name_value_1=WALTER+WIRTH+LK&field_planned_stocking_date_value%5Bdate%5D=&field_planned_stocking_date_end_value%5Bdate%5D=
What about free fishing day
During the summer it's too warm to stock, if you check ODFW the next local stocking will be roughly October
You will have to check Oregon Department of Wildlife's website for that information
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