Rainbow Trout Stocked · 71 plants · last June 2026 Best: dawn, dusk Cook Lake fishing
Cook Lake fishing is stocked with Brown Trout, Rainbow Trout, Cutthroat Trout, Brook Trout, Tiger Trout, and Tiger Muskie on a reservoir. It is stocked about 3.4 times a year since 1993, most often in May and June. Species guides list dawn, day, and dusk for Brown Trout and Brook Trout and dawn and dusk for Rainbow Trout and Tiger Trout.
- Last stocked
- September 2026
- Brown Trout
- Plants on record
- 115
- Since 1993
- Species recorded
- 6
- Average size
- 7.9 in
- Elevation
- 4,736 ft
Fish at Cook Lake
Rainbow Trout Stocked · 71 plants · last June 2026 Best: dawn, dusk 
Cutthroat Trout Stocked · 21 plants · last June 2021 Last stocked June 2021 · avg 6.8 in · 21 plants
Cutthroat Trout species guide
Brown Trout Stocked · 15 plants · last September 2026 Best: dawn, day, dusk 
Tiger Trout Stocked · 6 plants · last September 2022 Best: dawn, dusk 
Brook Trout Stocked · 1 plant · last July 1994 Best: dawn, day, dusk 
Tiger Muskie Stocked · 1 plant · last October 2025 Last stocked October 2025 · avg 8.6 in · 1 plant
Tiger Muskie species guideVisitors can take advantage of opportunities for fishing. The lake supports populations of rainbow and brown trout, a variety of sunfish, and catfish. (recreation.gov, accessed September 22, 2026)
Drafted by AI from the cited sources and checked before publishing.
How Cook Lake is stocked
No plants recorded in 2009, 2015, 2016, and 2019.
Fish stocked in 1993
14,199
Fish stocked in 1994
11,101
Fish stocked in 1995
10,531
Fish stocked in 1996
5,047
Fish stocked in 1997
11,655
Fish stocked in 1998
9,576
Fish stocked in 1999
9,009
Fish stocked in 2000
8,226
Fish stocked in 2001
7,656
Fish stocked in 2002
6,883
Fish stocked in 2003
8,988
Fish stocked in 2004
8,355
Fish stocked in 2005
7,428
Fish stocked in 2006
8,018
Fish stocked in 2007
8,179
Fish stocked in 2008
7,065
Fish stocked in 2010
7,413
Fish stocked in 2011
9,972
Fish stocked in 2012
6,945
Fish stocked in 2013
8,947
Fish stocked in 2014
8,092
Fish stocked in 2017
5,778
Fish stocked in 2018
1,550
Fish stocked in 2020
9,067
Fish stocked in 2021
8,296
Fish stocked in 2022
9,942
Fish stocked in 2023
3,615
Fish stocked in 2024
4,000
Fish stocked in 2025
6,354
Fish stocked in 2026
4,061
Stocking history
| Date | Species | Quantity | Avg. length | Source |
|---|---|---|---|---|
| September 2026 | Brown Trout | 260 | 13.6 in | report |
| June 2026 | Rainbow Trout | 3,801 | 8.8 in | report |
| October 2025 | Tiger Muskie | 155 | 8.6 in | report |
| April 2025 | Rainbow Trout | 6,199 | 8.3 in | report |
| May 2024 | Rainbow Trout | 1,116 | 8.5 in | report |
| April 2024 | Rainbow Trout | 2,884 | 8 in | report |
| June 2023 | Rainbow Trout | 1,614 | 8.5 in | report |
| May 2023 | Rainbow Trout | 2,001 | 8.1 in | report |
| September 2022 | Tiger Trout | 1,550 | 6.1 in | report |
| July 2022 | Rainbow Trout | 6,442 | 8 in | report |
| June 2022 | Rainbow Trout | 1,950 | 8.6 in | report |
| June 2021 | Cutthroat Trout | 2,342 | 5.3 in | report |
| May 2021 | Rainbow Trout | 5,954 | 7 in | report |
| June 2020 | Rainbow Trout | 5,735 | 8.7 in | report |
| May 2020 | Tiger Trout | 1,540 | 3.6 in | report |
| May 2020 | Rainbow Trout | 1,792 | 8.5 in | report |
| May 2018 | Tiger Trout | 1,550 | 3.7 in | report |
| May 2017 | Rainbow Trout | 5,778 | 7.7 in | report |
| June 2014 | Cutthroat Trout | 2,092 | 5.4 in | report |
| June 2014 | Rainbow Trout | 6,000 | 9 in | report |
| June 2013 | Rainbow Trout | 5,421 | 8.2 in | report |
| June 2013 | Cutthroat Trout | 1,976 | 10.3 in | report |
| May 2013 | Tiger Trout | 1,550 | 3.6 in | report |
| May 2012 | Tiger Trout | 1,545 | 3.2 in | report |
| May 2012 | Rainbow Trout | 5,400 | 8.8 in | report |
| June 2011 | Cutthroat Trout | 1,998 | 7.3 in | report |
| June 2011 | Tiger Trout | 1,660 | 4.2 in | report |
| June 2011 | Rainbow Trout | 6,314 | 8.9 in | report |
| June 2010 | Cutthroat Trout | 1,925 | 8 in | report |
| June 2010 | Rainbow Trout | 5,488 | 9.2 in | report |
| October 2008 | Rainbow Trout | 1,355 | 10 in | report |
| July 2008 | Rainbow Trout | 1,110 | 9.4 in | report |
| June 2008 | Cutthroat Trout | 1,800 | 5.2 in | report |
| June 2008 | Rainbow Trout | 2,800 | 8.5 in | report |
| September 2007 | Rainbow Trout | 792 | 9.1 in | report |
| June 2007 | Cutthroat Trout | 1,805 | 6.7 in | report |
| June 2007 | Rainbow Trout | 1,942 | 8.9 in | report |
| May 2007 | Rainbow Trout | 2,500 | 8.5 in | report |
| May 2007 | Brown Trout | 1,140 | 6.4 in | report |
| September 2006 | Rainbow Trout | 812 | 9.5 in | report |
| July 2006 | Rainbow Trout | 2,508 | 9.1 in | report |
| June 2006 | Rainbow Trout | 2,726 | 9.5 in | report |
| May 2006 | Cutthroat Trout | 1,972 | 4.4 in | report |
| September 2005 | Rainbow Trout | 1,000 | 9.6 in | report |
| June 2005 | Rainbow Trout | 1,026 | 8.7 in | report |
| May 2005 | Cutthroat Trout | 2,201 | 4.5 in | report |
| May 2005 | Rainbow Trout | 1,995 | 8.4 in | report |
| May 2005 | Brown Trout | 1,206 | 7.2 in | report |
| July 2004 | Rainbow Trout | 3,328 | 7.8 in | report |
| June 2004 | Cutthroat Trout | 2,030 | 4.3 in | report |
| June 2004 | Rainbow Trout | 2,997 | 8.7 in | report |
| June 2003 | Cutthroat Trout | 2,196 | 5.4 in | report |
| June 2003 | Brown Trout | 1,040 | 8.2 in | report |
| May 2003 | Rainbow Trout | 3,700 | 8.7 in | report |
| April 2003 | Rainbow Trout | 2,052 | 8.8 in | report |
| September 2002 | Rainbow Trout | 880 | 9.8 in | report |
| June 2002 | Cutthroat Trout | 2,002 | 5.1 in | report |
| June 2002 | Rainbow Trout | 980 | 9.1 in | report |
| May 2002 | Rainbow Trout | 3,021 | 8.9 in | report |
| September 2001 | Cutthroat Trout | 2,052 | 6.4 in | report |
| June 2001 | Rainbow Trout | 1,501 | 9.2 in | report |
| June 2001 | Brown Trout | 1,107 | 6.5 in | report |
| May 2001 | Rainbow Trout | 1,496 | 9 in | report |
| April 2001 | Rainbow Trout | 1,500 | 9 in | report |
| September 2000 | Rainbow Trout | 999 | 10.3 in | report |
| June 2000 | Cutthroat Trout | 2,125 | 4.9 in | report |
| June 2000 | Brown Trout | 1,100 | 6.3 in | report |
| May 2000 | Rainbow Trout | 3,002 | 8.9 in | report |
| April 2000 | Rainbow Trout | 1,000 | 9 in | report |
| September 1999 | Rainbow Trout | 1,820 | 8.9 in | report |
| June 1999 | Cutthroat Trout | 2,206 | 5.9 in | report |
| June 1999 | Rainbow Trout | 85 | 20.2 in | report |
| June 1999 | Rainbow Trout | 2,162 | 7.7 in | report |
| May 1999 | Rainbow Trout | 1,836 | 8.8 in | report |
| May 1999 | Brown Trout | 900 | 6.5 in | report |
| October 1998 | Rainbow Trout | 1,064 | 9.6 in | report |
| July 1998 | Rainbow Trout | 1,344 | 8.9 in | report |
| June 1998 | Cutthroat Trout | 2,250 | 4.6 in | report |
| June 1998 | Rainbow Trout | 2,107 | 8.7 in | report |
| May 1998 | Rainbow Trout | 901 | 9 in | report |
| May 1998 | Brown Trout | 1,000 | 6.2 in | report |
| April 1998 | Rainbow Trout | 910 | 8.9 in | report |
| September 1997 | Rainbow Trout | 1,999 | 9.6 in | report |
| August 1997 | Cutthroat Trout | 2,200 | 6.4 in | report |
| July 1997 | Rainbow Trout | 2,214 | 8.8 in | report |
| May 1997 | Cutthroat Trout | 2,037 | 5.3 in | report |
| May 1997 | Rainbow Trout | 2,200 | 8.5 in | report |
| May 1997 | Brown Trout | 1,005 | 6.9 in | report |
| June 1996 | Rainbow Trout | 2,030 | 8.9 in | report |
| June 1996 | Brown Trout | 1,008 | 5.6 in | report |
| May 1996 | Rainbow Trout | 2,009 | 8.6 in | report |
| July 1995 | Rainbow Trout | 1,600 | 9 in | report |
| June 1995 | Cutthroat Trout | 250 | 15.1 in | report |
| June 1995 | Rainbow Trout | 2,006 | 9 in | report |
| May 1995 | Rainbow Trout | 4,500 | 8.7 in | report |
| May 1995 | Brown Trout | 2,175 | 6.9 in | report |
| September 1994 | Rainbow Trout | 1,140 | 8.7 in | report |
| July 1994 | Rainbow Trout | 1,444 | 8.7 in | report |
| July 1994 | Rainbow Trout | 822 | 5.7 in | report |
| July 1994 | Brook Trout | 890 | 5.2 in | report |
| June 1994 | Cutthroat Trout | 275 | 16.3 in | report |
| June 1994 | Rainbow Trout | 1,600 | 9.1 in | report |
| May 1994 | Rainbow Trout | 4,116 | 8.7 in | report |
| May 1994 | Brown Trout | 814 | 7 in | report |
| September 1993 | Rainbow Trout | 1,008 | 8.8 in | report |
| September 1993 | Brown Trout | 4,012 | 4.2 in | report |
| July 1993 | Rainbow Trout | 405 | 8.2 in | report |
| July 1993 | Rainbow Trout | 2,316 | 5.9 in | report |
| June 1993 | Cutthroat Trout | 594 | 6.3 in | report |
| June 1993 | Rainbow Trout | 1,363 | 8.1 in | report |
| June 1993 | Rainbow Trout | 884 | 5.7 in | report |
| May 1993 | Rainbow Trout | 1,400 | 7.6 in | report |
| May 1993 | Brown Trout | 495 | 7.2 in | report |
| April 1993 | Rainbow Trout | 1,200 | 7.9 in | report |
| April 1993 | Brown Trout | 522 | 6.6 in | report |
Access and facts
- Water type
- reservoir
- Nearest town
- Aladdin, WY
- Shore access
- Yes
- ADA accessible
- Yes
- Fee required
- Yes
- Facilities
- restrooms, camping, dock
From I-90 exit 199 (Aladdin): WY 111 north 4 miles, then about 10 miles on Farrall Road; or about 21 miles from Sundance via US 14 and Forest Routes 838, 843 and 842. Floating docks and an accessible pier. The 1-mile Trail 88 follows much of the shore. Small non-motorized boats are carried in.
Drafted by AI from the cited sources and checked before publishing.
Advisories, closures, regulations and water conditions change. Check the Wyoming Game and Fish Department before you go.
About Cook Lake
Nearest lakes
Public land at Cook Lake
Cook Lake is inside Black Hills National Forest.
Boundaries from Public Lands DB, part of the same network.
Common questions
What fish are at Cook Lake?
Fishing Cook Lake usually means Rainbow Trout: Rainbow Trout accounts for 71 of 115 plants on record, ahead of Cutthroat Trout and 4 more. Rainbow Trout was last stocked June 2026, averaging 8.8 in. Cutthroat Trout was last stocked June 2021, averaging 6.8 in. Brown Trout was last stocked September 2026, averaging 7 in. Tiger Trout was last stocked September 2022, averaging 4.1 in. 2 more species are on the stocking report.
When is Cook Lake stocked?
Last stocked September 2026. It is stocked about 3.4 times a year since 1993, most often in May and June. No plants recorded in 2009, 2015, 2016, and 2019.
How big are the fish stocked at Cook Lake?
Stocked fish average 7.9 in. Rainbow Trout average 8.8 in. Cutthroat Trout average 6.8 in. Brown Trout average 7 in. Tiger Trout average 4.1 in.
How do you get on Cook Lake?
Shore fishing is available, it is ADA accessible, and a fee is required. The nearest town is Aladdin, WY. Facilities include restrooms, camping, and dock. From I-90 exit 199 (Aladdin): WY 111 north 4 miles, then about 10 miles on Farrall Road; or about 21 miles from Sundance via US 14 and Forest Routes 838, 843 and 842. Floating docks and an accessible pier. The 1-mile Trail 88 follows much of the shore. Small non-motorized boats are carried in.