O'Brien Lake fishing

O'Brien Lake fishing: not stocked since May 4, 2016. It was stocked with Brown Trout, Arctic Grayling, and Rainbow Trout. Species guides list dawn, day, and dusk for Brown Trout and dawn and dusk for Rainbow Trout.

AI-generated illustration, not a photo of this lake
Last stocked
May 4, 2016
· Rainbow Trout
Plants on record
62
Since 1979
Species recorded
3
Surface acres
10.9

Fish at O'Brien Lake

3 stocked · 0 confirmed present

Brown Trout Stocked · 34 plants · last April 26, 2016 Best: dawn, day, dusk

Last stocked April 26, 2016 · 34 plants

Best: dawn, day, dusk

Brown Trout species guide
Rainbow Trout Stocked · 27 plants · last May 4, 2016 Best: dawn, dusk

Last stocked May 4, 2016 · 27 plants

Best: dawn, dusk

Rainbow Trout species guide

O'Brien Lake is located in Mitchell Township, Alcona County. Anglers can find both Brown trout and Rainbow trout, as detailed in the Species Stocking Report. For access, the lake provides an O'Brien Lake Boat Launch, which is listed under Attributes: Facilities. (outdoormichigan.org, accessed October 5, 2026)

Drafted by AI from the cited sources and checked before publishing.

How O'Brien Lake is stocked

Source: Michigan Department of Natural Resources.

About 3,038 reported fish per acre, 2nd most of 5 lakes in Alcona County with both a fish count and a surface area.

Fish stocked in 1979

500

Fish stocked in 1980

380

Fish stocked in 1981

400

Fish stocked in 1982

400

Fish stocked in 1983

400

Fish stocked in 1984

400

Fish stocked in 1985

310

Fish stocked in 1988

1,334

Fish stocked in 1990

1,497

Fish stocked in 1991

1,000

Fish stocked in 1992

1,499

Fish stocked in 1993

1,198

Fish stocked in 1994

1,000

Fish stocked in 1995

969

Fish stocked in 1996

976

Fish stocked in 1997

1,000

Fish stocked in 1998

980

Fish stocked in 1999

950

Fish stocked in 2000

1,000

Fish stocked in 2001

800

Fish stocked in 2002

1,000

Fish stocked in 2003

1,078

Fish stocked in 2004

1,100

Fish stocked in 2005

1,159

Fish stocked in 2006

1,080

Fish stocked in 2007

1,048

Fish stocked in 2008

1,071

Fish stocked in 2009

1,120

Fish stocked in 2010

1,071

Fish stocked in 2011

1,031

Fish stocked in 2012

1,186

Fish stocked in 2013

1,150

Fish stocked in 2014

1,032

Fish stocked in 2015

1,001

Fish stocked in 2016

994

Stocking history

Source: Michigan Department of Natural Resources.
Date Species Quantity Avg. length Source
May 4, 2016Rainbow Trout500–report
April 26, 2016Brown Trout494–report
April 23, 2015Brown Trout501–report
April 23, 2015Rainbow Trout500–report
May 5, 2014Brown Trout500–report
April 28, 2014Rainbow Trout532–report
April 29, 2013Brown Trout600–report
April 29, 2013Rainbow Trout550–report
May 7, 2012Brown Trout636–report
April 30, 2012Rainbow Trout550–report
May 16, 2011Brown Trout450–report
April 18, 2011Rainbow Trout581–report
April 20, 2010Rainbow Trout570–report
April 6, 2010Brown Trout501–report
April 28, 2009Brown Trout530–report
April 23, 2009Rainbow Trout590–report
May 7, 2008Brown Trout500–report
April 25, 2008Rainbow Trout571–report
May 23, 2007Brown Trout458–report
April 23, 2007Rainbow Trout590–report
April 13, 2006Rainbow Trout500–report
April 13, 2006Brown Trout580–report
April 25, 2005Rainbow Trout660–report
April 25, 2005Brown Trout499–report
April 23, 2004Brown Trout500–report
April 16, 2004Rainbow Trout600–report
April 30, 2003Rainbow Trout570–report
April 30, 2003Brown Trout508–report
April 22, 2002Brown Trout500–report
April 22, 2002Rainbow Trout500–report
May 7, 2001Brown Trout300–report
May 7, 2001Rainbow Trout500–report
April 20, 2000Brown Trout500–report
April 19, 2000Rainbow Trout500–report
April 20, 1999Rainbow Trout450–report
April 13, 1999Brown Trout500–report
April 17, 1998Rainbow Trout490–report
April 17, 1998Brown Trout490–report
May 2, 1997Brown Trout500–report
April 30, 1997Rainbow Trout500–report
May 9, 1996Rainbow Trout500–report
May 9, 1996Brown Trout476–report
May 3, 1995Brown Trout470–report
May 3, 1995Rainbow Trout499–report
May 23, 1994Rainbow Trout500–report
April 20, 1994Brown Trout500–report
June 3, 1993Brown Trout500–report
May 14, 1993Rainbow Trout698–report
May 14, 1992Rainbow Trout499–report
May 4, 1992Brown Trout500–report
May 4, 1992Rainbow Trout500–report
May 14, 1991Brown Trout1,000–report
June 6, 1990Rainbow Trout499–report
June 6, 1990Brown Trout998–report
April 22, 1988Arctic Grayling1,334–report
May 13, 1985Brown Trout310–report
May 15, 1984Brown Trout400–report
April 21, 1983Brown Trout400–report
April 28, 1982Brown Trout400–report
May 14, 1981Brown Trout400–report
June 4, 1980Brown Trout380–report
April 30, 1979Brown Trout500–report

Access and facts

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Advisories, closures, regulations and water conditions change. Check the Michigan Department of Natural Resources before you go.

Nearest lakes

Horseshoe Lake 6.3 mi last stocked April 24, 1990 McCollum Lake 9.1 mi last stocked June 7, 2023 Reid Lake 9.7 mi last stocked May 5, 2022 Mack Lake 10.2 mi last stocked April 9, 1981 Smith Lake 12.9 mi last stocked April 29, 1992

Common questions

What fish are at O'Brien Lake?

Fishing O'Brien Lake usually means Brown Trout: Brown Trout accounts for 34 of 62 plants on record, ahead of Rainbow Trout and one more. Brown Trout was last stocked April 26, 2016. Rainbow Trout was last stocked May 4, 2016. Arctic Grayling was last stocked April 22, 1988.

When is O'Brien Lake stocked?

Not stocked since May 4, 2016. About 3,038 reported fish per acre, 2nd most of 5 lakes in Alcona County with both a fish count and a surface area. No plants recorded in 1986, 1987, and 1989.

Which lakes near O'Brien Lake were stocked more recently?

McCollum Lake (9.1 mi) and Reid Lake (9.7 mi) were stocked more recently. Reid Lake is also stocked with Rainbow Trout, Arctic Grayling, and Brown Trout.

Sources (2) +