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May 20
Oregon DWR
ILLINOIS RIVER: Hatchery rainbow trout
Beginning May 22nd, anglers may fish for hatchery rainbow trout in the mainstem. Wild rainbow and cutthroat trout must be released. Please be mindful of out-migrating salmon and steelhead smolt. If you catch these young salmonids, consider switching to barbless hooks and/or moving to a new location. Last updated 5/20/2026
Beginning May 22nd, anglers may fish for hatchery rainbow trout in the mainstem. Wild rainbow and cutthroat trout must be released. Please be mindful of out-migrating salmon and steelhead smolt. If you catch these young salmonids, consider switching to barbless hooks and/or moving to a new location. Last updated 5/20/2026