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Sinclair Lake Fishing and Stocking

Boundary County, Idaho. The Idaho Department of Fish and Game lists 2 stockings here in the latest year of its data (Rainbow Trout), the most recent on Oct 7, 2026. Stocked in April, June and October in two or more years.

2026 Stocking

DateSpeciesFishSize
Oct 7, 2026Rainbow Trout300Catchable (12-14 inches)
Apr 22, 2026Rainbow Trout450Catchable (12-14 inches)

2025 Stocking

DateSpeciesFishSize
Jun 12, 2025Rainbow Trout300Catchable (12-14 inches)
May 2, 2025Rainbow Trout300Catchable (12-14 inches)
Apr 17, 2025Rainbow Trout303Catchable (12-14 inches)

2024 Stocking

DateSpeciesFishSize
Oct 8, 2024Rainbow Trout500Catchable (12-14 inches)
Jun 25, 2024Rainbow Trout430Catchable (6+ inches)
Apr 22, 2024Rainbow Trout1,008Catchable (6+ inches)

Other Stocked Waters in Boundary 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 “Sinclair Lake”. 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.