Cook Reservoir 2 Fish Stocking
Montana · 1988–2026 on record
According to Montana fish & wildlife agency, Cook Reservoir 2 was last stocked May 27, 2026 with Rainbow Trout. Cook Reservoir 2 has 39 stocking records on file, spanning 1988–2026, with about 39,652 fish stocked over that period.
When Cook Reservoir 2 is stocked
Cook Reservoir 2 is typically stocked in summer, most often in June — 29 stocking events in that peak month.
Nearby stocked waters
Other stocked waters near Cook Reservoir 2, freshest activity first.
Gipsy Lake
9 mi2 species · 65 records
Last stocked June 2026
Grace Lake
10 mi1 species · 27 records
Last stocked September 2025
Upper Baldy Lake
10 mi1 species · 29 records
Last stocked September 2025
Newlan Creek
10 mi3 species · 30 records
Last stocked July 2012
Cook Reservoir 1
1 mi2 species · 19 records
Last stocked June 1997
Schafer Pond
7 mi1 species · 6 records
Last stocked May 1992
By species
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| May 27, 2026 | Rainbow Trout | 1,014 | 4.55" | Montana fish & wildlife agency |
| June 4, 2025 | Rainbow Trout | 999 | 4.99" | Montana fish & wildlife agency |
| May 29, 2024 | Rainbow Trout | 1,006 | 4.51" | Montana fish & wildlife agency |
| June 1, 2023 | Rainbow Trout | 1,013 | 4.58" | Montana fish & wildlife agency |
| June 16, 2022 | Rainbow Trout | 1,004 | 4.69" | Montana fish & wildlife agency |
| June 11, 2021 | Rainbow Trout | 996 | 5.15" | Montana fish & wildlife agency |
| June 4, 2020 | Rainbow Trout | 997 | 4.27" | Montana fish & wildlife agency |
| May 29, 2019 | Rainbow Trout | 1,001 | 4.5" | Montana fish & wildlife agency |
Show 31 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| June 6, 2018 | Rainbow Trout | 995 | 4.42" | Montana fish & wildlife agency |
| May 15, 2017 | Rainbow Trout | 1,053 | 3.56" | Montana fish & wildlife agency |
| June 8, 2016 | Rainbow Trout | 1,000 | 4.47" | Montana fish & wildlife agency |
| May 27, 2015 | Rainbow Trout | 1,001 | 4.27" | Montana fish & wildlife agency |
| May 28, 2014 | Rainbow Trout | 1,027 | 4.13" | Montana fish & wildlife agency |
| June 10, 2013 | Rainbow Trout | 1,001 | 4.47" | Montana fish & wildlife agency |
| June 7, 2012 | Rainbow Trout | 1,008 | 4.52" | Montana fish & wildlife agency |
| June 16, 2011 | Rainbow Trout | 995 | 4.61" | Montana fish & wildlife agency |
| June 7, 2010 | Rainbow Trout | 1,000 | 4.24" | Montana fish & wildlife agency |
| June 3, 2009 | Rainbow Trout | 1,000 | 4" | Montana fish & wildlife agency |
| June 18, 2008 | Rainbow Trout | 1,041 | 4.93" | Montana fish & wildlife agency |
| June 11, 2007 | Rainbow Trout | 998 | 4.44" | Montana fish & wildlife agency |
| June 7, 2006 | Rainbow Trout | 1,096 | 4.04" | Montana fish & wildlife agency |
| May 25, 2005 | Rainbow Trout | 1,035 | 3.52" | Montana fish & wildlife agency |
| June 7, 2004 | Rainbow Trout | 1,015 | 4.05" | Montana fish & wildlife agency |
| May 28, 2003 | Rainbow Trout | 994 | 3.69" | Montana fish & wildlife agency |
| June 5, 2002 | Rainbow Trout | 1,003 | 4.2" | Montana fish & wildlife agency |
| June 20, 2001 | Rainbow Trout | 1,000 | 4.3" | Montana fish & wildlife agency |
| June 8, 2000 | Rainbow Trout | 1,011 | 4.26" | Montana fish & wildlife agency |
| May 27, 1999 | Rainbow Trout | 1,021 | 4" | Montana fish & wildlife agency |
| June 3, 1998 | Rainbow Trout | 1,074 | 3.7" | Montana fish & wildlife agency |
| June 16, 1997 | Rainbow Trout | 1,066 | 4.2" | Montana fish & wildlife agency |
| June 12, 1996 | Rainbow Trout | 997 | 4.1" | Montana fish & wildlife agency |
| June 2, 1995 | Rainbow Trout | 1,028 | 4.1" | Montana fish & wildlife agency |
| June 15, 1994 | Rainbow Trout | 1,017 | 4.2" | Montana fish & wildlife agency |
| June 14, 1993 | Rainbow Trout | 1,000 | 3.9" | Montana fish & wildlife agency |
| May 26, 1992 | Rainbow Trout | 1,022 | 3.9" | Montana fish & wildlife agency |
| June 11, 1991 | Rainbow Trout | 1,000 | 4.5" | Montana fish & wildlife agency |
| June 15, 1990 | Rainbow Trout | 1,015 | 4.4" | Montana fish & wildlife agency |
| June 6, 1989 | Rainbow Trout | 1,020 | 5.5" | Montana fish & wildlife agency |
| June 27, 1988 | Rainbow Trout | 1,089 | 4.6" | Montana fish & wildlife agency |
Frequently asked
When was Cook Reservoir 2 last stocked?
According to Montana fish & wildlife agency, Cook Reservoir 2 was last stocked May 27, 2026 with Rainbow Trout.
What fish species are stocked in Cook Reservoir 2?
Cook Reservoir 2 is stocked with Rainbow Trout.
What time of year is Cook Reservoir 2 stocked?
Cook Reservoir 2 is typically stocked in summer, most often in June.
How often is Cook Reservoir 2 stocked?
Cook Reservoir 2 is stocked intermittently — 39 recorded stockings between 1988 and 2026.
How many fish have been stocked in Cook Reservoir 2?
About 39,652 fish have been stocked in Cook Reservoir 2 across 39 recorded events since 1988, per Montana fish & wildlife agency.
What size are the fish stocked in Cook Reservoir 2?
Fish stocked in Cook Reservoir 2 average about 4.3 inches, based on the sizes the agency reported.