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Au Sable River - Mio to Alcona reach trout stocking

Alcona County, Michigan · stream

Au Sable River - Mio to Alcona reach was last stocked 6 months ago (Apr 29, 2026). We have 23 stockings on record since Apr 27, 2017, 2 in the last 12 months (6,200 fish). Most stockings come in April to May. Species stocked: rainbow trout, brown trout.

Last stocked
6 months ago
Apr 29, 2026
Next planned
Not announced
Last 12 months
2 stockings
6,200 fish
On record
23 stockings
since Apr 27, 2017
  • The most stocked water in Alcona County (23 stocking days on record).
  • Stocked more often than 93% of Michigan waters on our record.

When is Au Sable River - Mio to Alcona reach stocked?

Most stockings come in April to May. Stocked 3 times in 2023, mostly in April, usually on Tuesdays, about every 28 days.

By month, all years

JanFebMarApr: 13 stockings13AprMay: 10 stockings10MayJunJulAugSepOctNovDec
Stockings of Au Sable River - Mio to Alcona reach by month, all years on record. This month is shown in blue.

Year by year

JanFebMarAprMayJunJulAugSepOctNovDec
20262
20252
20242
202321
202222
202121
20202
20191

What is stocked

SpeciesStockingsFishFish per stockingTypical size
Rainbow trout1653,4003,3387.7 in
Brown trout1179,3217,2114.9 in

Stocking history

20262 stockings · 6,200 fish
DateSpeciesFishSizeSince previous
Apr 29Latest
Wednesday
Rainbow trout
3,100
7.9 in1 day
Apr 28
Tuesday
Rainbow trout
3,100
7.8 in363 days
20252 stockings · 6,200 fish
DateSpeciesFishSizeSince previous
Apr 30
Wednesday
Rainbow trout
3,100
7.7 in1 day
Apr 29
Tuesday
Rainbow trout
3,100
7.9 in362 days
20242 stockings · 6,600 fish
DateSpeciesFishSizeSince previous
May 2
Thursday
Rainbow trout
3,300
7.9 in1 day
May 1
Wednesday
Rainbow trout
3,300
11.9 in344 days
20233 stockings · 17,923 fish
  • May 23 brown trout, 5,015 fish
  • Apr 25 brown trout, rainbow trout, 4,608 fish
  • Apr 24 brown trout, rainbow trout, 8,300 fish
20224 stockings · 18,000 fish
  • May 5 brown trout, 6,000 fish
  • May 4 brown trout, 6,000 fish
  • Apr 28 rainbow trout, 3,000 fish
  • Apr 27 rainbow trout, 3,000 fish
20213 stockings · 17,998 fish
  • May 6 brown trout, 11,998 fish
  • Apr 27 rainbow trout, 3,000 fish
  • Apr 26 rainbow trout, 3,000 fish
20202 stockings · 19,200 fish
  • Apr 30 brown trout, rainbow trout, 9,500 fish
  • Apr 29 brown trout, rainbow trout, 9,700 fish
20191 stocking · 6,000 fish
  • May 1 brown trout, 6,000 fish
20182 stockings · 18,400 fish
  • May 8 brown trout, 12,000 fish
  • May 2 rainbow trout, 6,400 fish
20172 stockings · 16,200 fish
  • May 15 brown trout, 12,000 fish
  • Apr 27 rainbow trout, 4,200 fish

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. Seasons and limits: Michigan fishing regulations.

Other stocked waters in Alcona County

All stocked waters in Alcona CountyStocked this week in Michigan

Questions about Au Sable River - Mio to Alcona reach

When was Au Sable River - Mio to Alcona reach last stocked?
The latest reported stocking was Apr 29, 2026 (rainbow trout, 3,100 fish), according to Michigan agency reports.
How often is Au Sable River - Mio to Alcona reach stocked?
Stocked 3 times in 2023, mostly in April, usually on Tuesdays, about every 28 days. Across all years on record, most stockings come in April to May.
Is Au Sable River - Mio to Alcona reach stocked often?
The most stocked water in Alcona County (23 stocking days on record). Stocked more often than 93% of Michigan waters on our record. We count each day the agency reported stocking it.
What kind of trout are stocked in Au Sable River - Mio to Alcona reach?
Rainbow trout (16 stockings, 53,400 fish); Brown trout (11 stockings, 79,321 fish).