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Portneuf River Fishing and Stocking

Bannock, Bingham, Caribou, Power County, Idaho. The Idaho Department of Fish and Game lists 10 stockings here in the latest year of its data (Rainbow Trout), the most recent on Oct 14, 2026. Stocked in April, May, June, July, August, September and October in two or more years.

2026 Stocking

DateSpeciesFishSize
Oct 14, 2026Rainbow Trout1,200Catchable (6+ inches)
Sep 15, 2026Rainbow Trout602Catchable (6+ inches)
Jul 22, 2026Rainbow Trout1,200Catchable (6+ inches)
Jul 15, 2026Rainbow Trout1,300Catchable (6+ inches)
Jul 13, 2026Rainbow Trout500Catchable (6+ inches)
Jul 10, 2026Rainbow Trout1,300Catchable (6+ inches)
Jun 10, 2026Rainbow Trout1,300Catchable (6+ inches)
Jun 9, 2026Rainbow Trout400Catchable (6+ inches)
May 13, 2026Rainbow Trout400Catchable (6+ inches)
May 6, 2026Rainbow Trout400Catchable (6+ inches)

2025 Stocking

DateSpeciesFishSize
Oct 6, 2025Rainbow Trout1,265Catchable (6+ inches)
Sep 3, 2025Rainbow Trout674Catchable (6+ inches)
Aug 1, 2025Rainbow Trout1,252Catchable (6+ inches)
Jul 22, 2025Rainbow Trout1,265Catchable (6+ inches)
Jul 1, 2025Rainbow Trout1,259Catchable (6+ inches)
Jun 11, 2025Rainbow Trout318Catchable (6+ inches)
May 29, 2025Rainbow Trout500Catchable (6+ inches)
May 5, 2025Rainbow Trout336Catchable (6+ inches)
Apr 1, 2025Rainbow Trout334Catchable (6+ inches)

2024 Stocking

DateSpeciesFishSize
Oct 8, 2024Rainbow Trout1,250Catchable (6+ inches)
Sep 16, 2024Rainbow Trout660Catchable (6+ inches)
Aug 20, 2024Rainbow Trout3,002Catchable (6+ inches)
Jul 18, 2024Rainbow Trout1,250Catchable (12-14 inches)
Jul 1, 2024Rainbow Trout660Catchable (6+ inches)
Jun 24, 2024Rainbow Trout330Catchable (6+ inches)
Jun 13, 2024Rainbow Trout660Catchable (6+ inches)
Jun 12, 2024Rainbow Trout1,250Catchable (6+ inches)
Apr 3, 2024Rainbow Trout332Catchable (6+ inches)

About This Data

Every row comes from the stocking information published by the Idaho Department of Fish and Game, checked Oct 20, 2026. The agency lists this water as “Portneuf River”. Species and sizes are given as the agency names them; a dash means the agency does not say.

More for Idaho Anglers

Stocking dates and places can change without notice; check with the agency before a trip. ReelTourney is not affiliated with the Idaho Department of Fish and Game.