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Sublett Reservoir Fishing and Stocking

Cassia County, Idaho. The Idaho Department of Fish and Game lists 3 stockings here in the latest year of its data (Rainbow Trout), the most recent on Sep 8, 2026. Stocked in May, September and October in two or more years.

2026 Stocking

DateSpeciesFishSize
Sep 8, 2026Rainbow Trout3,000Catchable (6+ inches)
May 27, 2026Rainbow Trout3,828Catchable (6+ inches)
May 19, 2026Rainbow Trout2,172Catchable (12-14 inches)

2025 Stocking

DateSpeciesFishSize
Oct 3, 2025Cutthroat Trout - Yellowstone19,680Fingerling (3-6 inches)
Sep 4, 2025Rainbow Trout3,000Catchable (6+ inches)
May 19, 2025Rainbow Trout4,030Catchable (12-14 inches)

2024 Stocking

DateSpeciesFishSize
Oct 3, 2024Cutthroat Trout - Yellowstone15,956Fingerling (3-6 inches)
Sep 16, 2024Rainbow Trout3,000Catchable (6+ inches)
May 13, 2024Rainbow Trout3,000Catchable (6+ inches)
May 7, 2024Rainbow Trout3,000Catchable (6+ inches)

Other Stocked Waters in Cassia County

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 “Sublett Reservoir”. 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.