Pinnow Reservoir Fish Stocking
Montana · 1960–2025 on record
According to Montana fish & wildlife agency, Pinnow Reservoir was last stocked May 13, 2025 with Rainbow Trout. Pinnow Reservoir has 62 stocking records on file, spanning 1960–2025, with about 109,470 fish stocked over that period.
When Pinnow Reservoir is stocked
Pinnow Reservoir is typically stocked in spring, most often in April — 28 stocking events in that peak month.
Nearby stocked waters
Other stocked waters near Pinnow Reservoir, freshest activity first.
Lake Baker
7 mi12 species · 86 records
Last stocked June 2025
Pinnow Reservoir 2
1 mi3 species · 27 records
Last stocked May 2025
Rost Pond
9 mi2 species · 6 records
Last stocked May 2025
Upper Baker Lake
6 mi1 species · 1 records
Last stocked July 2022
BLM Pond East of John Vassor
10 mi1 species · 1 records
Last stocked June 2020
Pinnow Reservoir 3
1 mi1 species · 3 records
Last stocked July 1994
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| May 13, 2025 | Rainbow Trout | 500 | 2.26" | Montana fish & wildlife agency |
| May 23, 2024 | Rainbow Trout | 500 | 1.78" | Montana fish & wildlife agency |
| May 19, 2023 | Rainbow Trout | 500 | 2.27" | Montana fish & wildlife agency |
| April 27, 2022 | Rainbow Trout | 500 | 2" | Montana fish & wildlife agency |
| June 7, 2021 | Rainbow Trout | 500 | 2.51" | Montana fish & wildlife agency |
| April 22, 2020 | Rainbow Trout | 500 | 4.4" | Montana fish & wildlife agency |
| July 18, 2014 | Largemouth Bass | 500 | 2" | Montana fish & wildlife agency |
| April 11, 2013 | Rainbow Trout | 1,500 | 2" | Montana fish & wildlife agency |
Show 42 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| April 18, 2012 | Rainbow Trout | 1,500 | 2.15" | Montana fish & wildlife agency |
| April 21, 2011 | Rainbow Trout | 1,500 | 2" | Montana fish & wildlife agency |
| April 21, 2010 | Rainbow Trout | 1,500 | 2.6" | Montana fish & wildlife agency |
| April 14, 2009 | Rainbow Trout | 1,500 | 2" | Montana fish & wildlife agency |
| April 6, 2008 | Rainbow Trout | 1,500 | 2.4" | Montana fish & wildlife agency |
| April 16, 2007 | Rainbow Trout | 1,500 | 2.6" | Montana fish & wildlife agency |
| April 7, 2006 | Rainbow Trout | 1,500 | 2.4" | Montana fish & wildlife agency |
| March 30, 2005 | Rainbow Trout | 1,500 | 2.4" | Montana fish & wildlife agency |
| March 30, 2004 | Rainbow Trout | 1,500 | 2.3" | Montana fish & wildlife agency |
| March 27, 2003 | Rainbow Trout | 1,500 | 2.1" | Montana fish & wildlife agency |
| April 13, 2002 | Rainbow Trout | 1,500 | 2.6" | Montana fish & wildlife agency |
| April 5, 2001 | Rainbow Trout | 1,500 | 2.4" | Montana fish & wildlife agency |
| March 31, 2000 | Rainbow Trout | 1,500 | 2.4" | Montana fish & wildlife agency |
| April 15, 1999 | Rainbow Trout | 1,500 | 2.7" | Montana fish & wildlife agency |
| April 27, 1998 | Rainbow Trout | 1,500 | 3.4" | Montana fish & wildlife agency |
| May 5, 1997 | Rainbow Trout | 1,500 | 3.1" | Montana fish & wildlife agency |
| April 27, 1996 | Rainbow Trout | 1,500 | 2.9" | Montana fish & wildlife agency |
| April 28, 1995 | Rainbow Trout | 1,500 | 2.8" | Montana fish & wildlife agency |
| May 11, 1994 | Rainbow Trout | 1,500 | 3.5" | Montana fish & wildlife agency |
| April 27, 1993 | Rainbow Trout | 1,500 | 2.8" | Montana fish & wildlife agency |
| March 17, 1992 | Rainbow Trout | 1,500 | 2.4" | Montana fish & wildlife agency |
| March 29, 1991 | Rainbow Trout | 1,500 | 2.3" | Montana fish & wildlife agency |
| April 19, 1990 | Rainbow Trout | 1,500 | 2.8" | Montana fish & wildlife agency |
| May 23, 1989 | Rainbow Trout | 1,500 | 3.3" | Montana fish & wildlife agency |
| May 6, 1988 | Rainbow Trout | 1,500 | 3" | Montana fish & wildlife agency |
| May 6, 1987 | Rainbow Trout | 1,500 | 3.2" | Montana fish & wildlife agency |
| April 4, 1986 | Rainbow Trout | 1,500 | 4" | Montana fish & wildlife agency |
| April 4, 1985 | Rainbow Trout | 2,500 | 3" | Montana fish & wildlife agency |
| April 11, 1984 | Rainbow Trout | 2,500 | 4" | Montana fish & wildlife agency |
| May 5, 1983 | Rainbow Trout | 800 | 4" | Montana fish & wildlife agency |
| April 17, 1981 | Rainbow Trout | 1,200 | 2" | Montana fish & wildlife agency |
| May 1, 1980 | Rainbow Trout | 800 | 2" | Montana fish & wildlife agency |
| May 1, 1979 | Rainbow Trout | 2,500 | 3" | Montana fish & wildlife agency |
| May 3, 1978 | Rainbow Trout | 2,500 | 3" | Montana fish & wildlife agency |
| March 24, 1977 | Rainbow Trout | 4,000 | 2" | Montana fish & wildlife agency |
| April 6, 1976 | Rainbow Trout | 2,500 | 3" | Montana fish & wildlife agency |
| June 6, 1975 | Rainbow Trout | 2,500 | 4" | Montana fish & wildlife agency |
| April 8, 1974 | Rainbow Trout | 2,500 | 3" | Montana fish & wildlife agency |
| April 3, 1973 | Rainbow Trout | 2,500 | 2" | Montana fish & wildlife agency |
| June 26, 1972 | Rainbow Trout | 1,000 | 4" | Montana fish & wildlife agency |
| April 11, 1972 | Rainbow Trout | 2,500 | 2" | Montana fish & wildlife agency |
| April 15, 1971 | Rainbow Trout | 2,500 | 2" | Montana fish & wildlife agency |
Showing 50 of 62 stocking records.
Frequently asked
When was Pinnow Reservoir last stocked?
According to Montana fish & wildlife agency, Pinnow Reservoir was last stocked May 13, 2025 with Rainbow Trout.
What fish species are stocked in Pinnow Reservoir?
Pinnow Reservoir is stocked with Rainbow Trout, Largemouth Bass, and Bluegill.
What time of year is Pinnow Reservoir stocked?
Pinnow Reservoir is typically stocked in spring, most often in April.
How often is Pinnow Reservoir stocked?
Pinnow Reservoir is stocked intermittently — 62 recorded stockings between 1960 and 2025.
How many fish have been stocked in Pinnow Reservoir?
About 109,470 fish have been stocked in Pinnow Reservoir across 62 recorded events since 1960, per Montana fish & wildlife agency.
What size are the fish stocked in Pinnow Reservoir?
Fish stocked in Pinnow Reservoir average about 2.7 inches, based on the sizes the agency reported.