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Au Sable River trout stocking

Iosco County, Michigan · stream

Au Sable River was last stocked 4 months ago (Jun 1, 2026). We have 98 stockings on record since Apr 1, 2024, 8 in the last 12 months (454,094 fish). Most stockings come in April to May. Species stocked: rainbow trout, atlantic salmon, brown trout.

Last stocked
4 months ago
Jun 1, 2026
Next planned
Not announced
Last 12 months
8 stockings
454,094 fish
On record
98 stockings
since Apr 1, 2024

When is Au Sable River stocked?

Most stockings come in April to May. Stocked 8 times in 2026, mostly in May, usually on Wednesdays, about every 5 days.

By month, all years

Jan: 0 stockingsJanFeb: 0 stockingsFebMar: 0 stockingsMarApr: 10 stockings10AprMay: 13 stockings13MayJun: 1 stockings1JunJul: 0 stockingsJulAug: 0 stockingsAugSep: 0 stockingsSepOct: 0 stockingsOctNov: 0 stockingsNovDec: 0 stockingsDec
Stockings of Au Sable River by month, all years on record. This month is shown in blue.

Year by year

JanFebMarAprMayJunJulAugSepOctNovDec
2026341
202533
202446

What is stocked

SpeciesStockingsFishFish per stockingTypical size
Rainbow trout78991,57212,7127.8 in
Atlantic salmon14220,63615,7606.7 in
Brown trout631,2945,2164.6 in

Stocking history

DateSpeciesFishPoundsHatchery
Jun 1, 2026Rainbow trout5,076
Jun 1, 2026Rainbow trout5,076
May 20, 2026Rainbow trout37,117
May 20, 2026Rainbow trout37,117
May 18, 2026Rainbow trout34,133
May 18, 2026Rainbow trout34,133
May 13, 2026Atlantic salmon29,498
May 13, 2026Atlantic salmon29,498
May 11, 2026Atlantic salmon7,750
May 11, 2026Atlantic salmon7,750
May 11, 2026Atlantic salmon7,750
May 11, 2026Atlantic salmon7,750
Apr 29, 2026Rainbow trout3,100
Apr 29, 2026Rainbow trout3,100
Apr 29, 2026Rainbow trout3,100
Apr 29, 2026Rainbow trout3,100
Apr 29, 2026Rainbow trout3,099
Apr 29, 2026Rainbow trout3,099
Apr 28, 2026Brown trout5,200
Apr 28, 2026Brown trout5,200
Show 78 older stockings
DateSpeciesFishPoundsHatchery
Apr 28, 2026Rainbow trout3,100
Apr 28, 2026Rainbow trout3,100
Apr 28, 2026Rainbow trout3,100
Apr 28, 2026Rainbow trout3,100
Apr 28, 2026Rainbow trout5,699
Apr 28, 2026Rainbow trout5,699
Apr 28, 2026Rainbow trout3,100
Apr 28, 2026Rainbow trout3,100
Apr 8, 2026Rainbow trout35,162
Apr 8, 2026Rainbow trout20,543
Apr 8, 2026Rainbow trout20,543
Apr 8, 2026Rainbow trout20,520
Apr 8, 2026Rainbow trout20,520
Apr 8, 2026Rainbow trout35,162
May 20, 2025Rainbow trout1,536
May 20, 2025Rainbow trout29,882
May 20, 2025Rainbow trout1,536
May 20, 2025Rainbow trout29,882
May 15, 2025Atlantic salmon13,450
May 15, 2025Atlantic salmon11,828
May 15, 2025Atlantic salmon11,828
May 15, 2025Atlantic salmon13,450
May 15, 2025Atlantic salmon13,450
May 15, 2025Atlantic salmon13,450
May 12, 2025Rainbow trout29,900
May 12, 2025Rainbow trout29,900
Apr 30, 2025Rainbow trout3,100
Apr 30, 2025Rainbow trout3,100
Apr 30, 2025Rainbow trout3,100
Apr 30, 2025Rainbow trout3,100
Apr 30, 2025Rainbow trout3,100
Apr 30, 2025Rainbow trout3,100
Apr 29, 2025Brown trout5,400
Apr 29, 2025Brown trout5,400
Apr 29, 2025Rainbow trout3,100
Apr 29, 2025Rainbow trout3,100
Apr 29, 2025Rainbow trout5,700
Apr 29, 2025Rainbow trout3,100
Apr 29, 2025Rainbow trout3,100
Apr 29, 2025Rainbow trout3,100
Apr 29, 2025Rainbow trout3,100
Apr 29, 2025Rainbow trout5,700
Apr 9, 2025Rainbow trout25,543
Apr 9, 2025Rainbow trout25,543
Apr 9, 2025Rainbow trout19,149
Apr 9, 2025Rainbow trout19,255
Apr 9, 2025Rainbow trout19,255
Apr 9, 2025Rainbow trout19,149
May 22, 2024Rainbow trout22,007
May 22, 2024Rainbow trout22,007
May 16, 2024Rainbow trout2,252
May 16, 2024Rainbow trout25,773
May 16, 2024Rainbow trout2,252
May 16, 2024Rainbow trout25,773
May 15, 2024Atlantic salmon26,592
May 15, 2024Atlantic salmon26,592
May 14, 2024Rainbow trout29,529
May 14, 2024Rainbow trout29,529
May 2, 2024Rainbow trout3,300
May 2, 2024Rainbow trout3,299
May 2, 2024Rainbow trout3,300
May 2, 2024Rainbow trout3,300
May 2, 2024Rainbow trout3,300
May 2, 2024Rainbow trout3,299
May 1, 2024Rainbow trout3,299
May 1, 2024Rainbow trout3,300
May 1, 2024Rainbow trout3,300
May 1, 2024Rainbow trout3,300
May 1, 2024Rainbow trout3,299
May 1, 2024Rainbow trout3,300
Apr 24, 2024Rainbow trout6,050
Apr 24, 2024Rainbow trout6,050
Apr 23, 2024Brown trout5,047
Apr 23, 2024Brown trout5,047
Apr 3, 2024Rainbow trout31,843
Apr 3, 2024Rainbow trout31,843
Apr 1, 2024Rainbow trout32,120
Apr 1, 2024Rainbow trout32,120

From Michigan fish and wildlife agency reports, collected nightly and kept after the agency takes them down. Agencies revise reports; check the agency's report before you go.

Other stocked waters in Iosco County

All stocked waters in Iosco CountyStocked this week in Michigan

Questions about Au Sable River

When was Au Sable River last stocked?
The latest reported stocking was Jun 1, 2026 (rainbow trout, 5,076 fish), according to Michigan agency reports.
How often is Au Sable River stocked?
Stocked 8 times in 2026, mostly in May, usually on Wednesdays, about every 5 days. Across all years on record, most stockings come in April to May.
What kind of trout are stocked in Au Sable River?
Rainbow trout (78 stockings, 991,572 fish); Atlantic salmon (14 stockings, 220,636 fish); Brown trout (6 stockings, 31,294 fish).