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Idaho Fish and Game

Fish stocking logo for the Magic Valley Region

Rainbow trout stocking schedule for August 2025 in the Magic Valley Region

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Approximately 21,900 catchable-sized rainbow will be stocked in area waters in August

Hatchery personnel from Fish and Game's Magic Valley Region will be stocking approximately 21,900 10-12'' catchable-sized rainbow trout in August. The stocking date and number of fish are approximate. 

Stocking of all waters is tentative and dependent on river/lake/pond conditions (angler safety concerns); dates may change due to weather or staffing constraints.

Body of WaterWeek to be StockedNumber to be Stocked
Lake ClevelandAug 4-83,000
Hagerman WMA Oster Lake #1Aug 4-8225
Hagerman WMA Riley Creek PondAug 4-8225
Freedom Park PondAug 4-8500
Big Wood RiverAug 4-8950
North Fork Big Wood RiverAug 4-8250
Trail CreekAug 4-8350
Warm Springs CreekAug 4-81,425
Crystal Springs LakeAug 4-8600
Niagara Springs Aug 4-8500
Hagerman WMA Oster Lake #1Aug 11-15225
Hagerman WMA Riley Creek PondAug 11-15225
Big Trinity LakeAug 11-151,200
Little Trinity LakeAug 11-15475
South Fork Boise River, Shake Creek to Skeleton CreekAug 18-221,000
South Fork Boise River, Pine to Grouse CreekAug 18-22950
South Fork Boise River, Featherville to Shake CreekAug 18-22950
Hagerman WMA Oster Lake #1Aug 18-22225
Hagerman WMA Riley Creek PondAug 18-22225
Freedom Park PondAug 18-22500
Rock CreekAug 18-221,000
Fourth Fork Rock CreekAug 18-22325
Featherville Dredge PondAug 18-221,000
Big Wood RiverAug 18-22950
Gavers LagoonAug 18-221,425
North Fork Big Wood RiverAug 18-22225
Trail CreekAug 18-22350
Warm Springs CreekAug 18-221,425
Hagerman WMA Oster Lake #1Aug 25-29225
Hagerman WMA Riley Creek PondAug 25-29225
Castle Rocks State Park Fishing PondAug 25-29750

For maps of these fishing locations and other angling destinations, please visit the Idaho Fish Planner.

Most Idaho waters are open to fishing year-round, but some may have slightly different rules.

Be sure to pick up a copy of the 2025-2027 Fishing Seasons and Rules Booklet, which outlines season dates, special regulations, and bag limits at any Idaho Fish and Game regional office or most sporting goods stores statewide.