Rainbow Trout Stocked · 35 plants · last May 5, 2026 Best: dawn, dusk Ackerman Lake fishing
Ackerman Lake fishing has Rainbow Trout, Splake, Arctic Grayling, and Brown Trout on the stocking report. It is stocked about 0.9 times a year since 1979, most often in April and May. Species guides list dawn and dusk for Rainbow Trout and dawn, day, and dusk for Brown Trout.
- Last stocked
- May 5, 2026
- · Rainbow Trout
- Plants on record
- 44
- Since 1979
- Species recorded
- 4
- Surface acres
- 14.3
Fish at Ackerman Lake
Around the dates Ackerman Lake is stocked, Open-Meteo's 2016-2025 archive puts mean air temperature at 51°F in May, 37°F in April, 60°F in September, 61.2°F in June. That is air temperature at these coordinates, not water temperature. Open-Meteo
Rainbow Trout Stocked · 35 plants · last May 5, 2026 Best: dawn, dusk 
Brown Trout Stocked · 5 plants · last April 27, 1995 Best: dawn, day, dusk 
Arctic Grayling Stocked · 3 plants · last September 18, 1990 Last stocked September 18, 1990 · 3 plants
Arctic Grayling species guide
Splake Stocked · 1 plant · last May 31, 1985 Last stocked May 31, 1985 · 1 plant
Splake species guideHow Ackerman Lake is stocked
About 3,149 reported fish per acre, 3rd most of 18 lakes in Alger County with both a fish count and a surface area.
Fish stocked in 1979
2,100
Fish stocked in 1980
1,050
Fish stocked in 1981
1,050
Fish stocked in 1982
1,050
Fish stocked in 1983
1,050
Fish stocked in 1984
490
Fish stocked in 1985
510
Fish stocked in 1987
1,375
Fish stocked in 1988
926
Fish stocked in 1990
1,400
Fish stocked in 1991
1,180
Fish stocked in 1992
1,400
Fish stocked in 1993
1,400
Fish stocked in 1994
1,225
Fish stocked in 1995
1,050
Fish stocked in 1998
1,950
Fish stocked in 1999
1,400
Fish stocked in 2000
1,200
Fish stocked in 2001
2,100
Fish stocked in 2002
1,400
Fish stocked in 2003
800
Fish stocked in 2004
795
Fish stocked in 2005
880
Fish stocked in 2006
748
Fish stocked in 2007
776
Fish stocked in 2008
800
Fish stocked in 2009
780
Fish stocked in 2010
750
Fish stocked in 2011
800
Fish stocked in 2012
749
Fish stocked in 2013
800
Fish stocked in 2014
675
Fish stocked in 2015
800
Fish stocked in 2016
748
Fish stocked in 2017
800
Fish stocked in 2018
1,900
Fish stocked in 2019
800
Fish stocked in 2020
720
Fish stocked in 2021
748
Fish stocked in 2022
750
Fish stocked in 2023
720
Fish stocked in 2024
825
Fish stocked in 2025
780
Fish stocked in 2026
780
Stocking history
| Date | Species | Quantity | Avg. length | Source |
|---|---|---|---|---|
| May 5, 2026 | Rainbow Trout | 780 | – | report |
| May 7, 2025 | Rainbow Trout | 780 | – | report |
| April 17, 2024 | Rainbow Trout | 825 | – | report |
| May 15, 2023 | Rainbow Trout | 720 | – | report |
| May 9, 2022 | Rainbow Trout | 750 | – | report |
| April 29, 2021 | Rainbow Trout | 748 | – | report |
| May 6, 2020 | Rainbow Trout | 720 | – | report |
| May 7, 2019 | Rainbow Trout | 800 | – | report |
| May 10, 2018 | Rainbow Trout | 1,900 | – | report |
| May 8, 2017 | Rainbow Trout | 800 | – | report |
| May 10, 2016 | Rainbow Trout | 748 | – | report |
| May 5, 2015 | Rainbow Trout | 800 | – | report |
| June 9, 2014 | Rainbow Trout | 675 | – | report |
| May 22, 2013 | Rainbow Trout | 800 | – | report |
| May 3, 2012 | Rainbow Trout | 749 | – | report |
| May 16, 2011 | Rainbow Trout | 800 | – | report |
| May 17, 2010 | Rainbow Trout | 750 | – | report |
| April 30, 2009 | Rainbow Trout | 780 | – | report |
| May 12, 2008 | Rainbow Trout | 800 | – | report |
| May 1, 2007 | Rainbow Trout | 776 | – | report |
| April 25, 2006 | Rainbow Trout | 748 | – | report |
| May 2, 2005 | Rainbow Trout | 880 | – | report |
| April 22, 2004 | Rainbow Trout | 795 | – | report |
| May 13, 2003 | Rainbow Trout | 800 | – | report |
| May 2, 2002 | Rainbow Trout | 1,400 | – | report |
| April 25, 2001 | Rainbow Trout | 2,100 | – | report |
| May 1, 2000 | Rainbow Trout | 1,200 | – | report |
| May 12, 1999 | Rainbow Trout | 1,400 | – | report |
| May 11, 1998 | Rainbow Trout | 1,950 | – | report |
| April 27, 1995 | Brown Trout | 1,050 | – | report |
| May 4, 1994 | Brown Trout | 1,225 | – | report |
| June 14, 1993 | Brown Trout | 1,400 | – | report |
| May 18, 1992 | Brown Trout | 1,400 | – | report |
| April 30, 1991 | Brown Trout | 1,180 | – | report |
| September 18, 1990 | Arctic Grayling | 1,400 | – | report |
| April 28, 1988 | Arctic Grayling | 926 | – | report |
| June 17, 1987 | Arctic Grayling | 1,375 | – | report |
| May 31, 1985 | Splake | 510 | – | report |
| May 9, 1984 | Rainbow Trout | 490 | – | report |
| October 5, 1983 | Rainbow Trout | 1,050 | – | report |
| October 25, 1982 | Rainbow Trout | 1,050 | – | report |
| September 1, 1981 | Rainbow Trout | 1,050 | – | report |
| September 15, 1980 | Rainbow Trout | 1,050 | – | report |
| September 13, 1979 | Rainbow Trout | 2,100 | – | report |
Access and facts
- Nearest town
- Munising
Access is off M-94 about 9.2 miles southwest of Munising, on the left heading out of town; the lake is visible from the road. The DNR boat launch is unimproved, best for carry-in boats and car-toppers. The Bay de Noc-Grand Island Trail's north trailhead lot is across M-94.
Drafted by AI from the cited sources and checked before publishing.
Advisories, closures, regulations and water conditions change. Check the Michigan Department of Natural Resources before you go.
Nearest lakes
Common questions
What fish are at Ackerman Lake?
Fishing Ackerman Lake usually means Rainbow Trout: Rainbow Trout accounts for 35 of 44 plants on record, ahead of Brown Trout and 2 more. Rainbow Trout was last stocked May 5, 2026. Brown Trout was last stocked April 27, 1995. Arctic Grayling was last stocked September 18, 1990. Splake was last stocked May 31, 1985.
When is Ackerman Lake stocked?
Last stocked May 5, 2026. It is stocked about 0.9 times a year since 1979, most often in April and May. About 3,149 reported fish per acre, 3rd most of 18 lakes in Alger County with both a fish count and a surface area. No plants recorded in 1986, 1989, 1996, and 1997.
How do you get on Ackerman Lake?
The nearest town is Munising. Access is off M-94 about 9.2 miles southwest of Munising, on the left heading out of town; the lake is visible from the road. The DNR boat launch is unimproved, best for carry-in boats and car-toppers. The Bay de Noc-Grand Island Trail's north trailhead lot is across M-94.
Which lakes near Ackerman Lake were stocked more recently?
Au Train Lake (5.3 mi) was stocked more recently.