Rock Lake Fish Stocking
Montana · 1925–2023 on record
According to Montana fish & wildlife agency, Rock Lake was last stocked September 27, 2023 with Rainbow Trout. Rock Lake has 71 stocking records on file, spanning 1925–2023, with about 224,909 fish stocked over that period.
When Rock Lake is stocked
Rock Lake is typically stocked in summer and fall, most often in September — 25 stocking events in that peak month.
Nearby stocked waters
Other stocked waters near Rock Lake, freshest activity first.
Shady Lane Pond
4 mi2 species · 120 records
Last stocked June 2026
Black Lake
3 mi3 species · 39 records
Last stocked July 2022
Jenny Lake
5 mi1 species · 15 records
Last stocked July 2022
Lake Blaine
2 mi11 species · 102 records
Last stocked June 2014
Gooderich Bayou
3 mi1 species · 20 records
Last stocked May 2013
Meadow Lake
5 mi3 species · 9 records
Last stocked June 1996
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| September 27, 2023 | Rainbow Trout | 1,105 | 4.43" | Montana fish & wildlife agency |
| September 15, 2022 | Rainbow Trout | 1,245 | 4.22" | Montana fish & wildlife agency |
| September 20, 2021 | Rainbow Trout | 1,102 | 3.91" | Montana fish & wildlife agency |
| September 24, 2020 | Rainbow Trout | 1,060 | 4.06" | Montana fish & wildlife agency |
| September 24, 2020 | Rainbow Trout | 40 | 4.21" | Montana fish & wildlife agency |
| September 30, 2019 | Rainbow Trout | 1,100 | 4.24" | Montana fish & wildlife agency |
| July 30, 2019 | Cutthroat Trout | 2,250 | 2.7" | Montana fish & wildlife agency |
| September 20, 2018 | Rainbow Trout | 1,001 | 4.17" | Montana fish & wildlife agency |
Show 42 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| September 27, 2017 | Rainbow Trout | 1,001 | 4.33" | Montana fish & wildlife agency |
| September 23, 2016 | Rainbow Trout | 1,097 | 4.26" | Montana fish & wildlife agency |
| September 8, 2015 | Rainbow Trout | 1,100 | 3.21" | Montana fish & wildlife agency |
| November 12, 2014 | Rainbow Trout | 1,000 | 3.93" | Montana fish & wildlife agency |
| July 29, 2013 | Cutthroat Trout | 2,200 | 2.8" | Montana fish & wildlife agency |
| June 22, 2012 | Rainbow Trout | 1,047 | 9.04" | Montana fish & wildlife agency |
| May 19, 2011 | Rainbow Trout | 1,104 | 2.79" | Montana fish & wildlife agency |
| September 17, 2010 | Rainbow Trout | 281 | 3.29" | Montana fish & wildlife agency |
| May 26, 2010 | Rainbow Trout | 829 | 9.13" | Montana fish & wildlife agency |
| September 8, 2009 | Rainbow Trout | 1,113 | 3.88" | Montana fish & wildlife agency |
| September 10, 2008 | Rainbow Trout | 529 | 3.62" | Montana fish & wildlife agency |
| May 9, 2008 | Rainbow Trout | 1,074 | 7.05" | Montana fish & wildlife agency |
| July 30, 2007 | Cutthroat Trout | 2,500 | 2.75" | Montana fish & wildlife agency |
| June 14, 2007 | Rainbow Trout | 1,035 | 3.15" | Montana fish & wildlife agency |
| June 23, 2006 | Rainbow Trout | 106 | 6.66" | Montana fish & wildlife agency |
| June 8, 2006 | Rainbow Trout | 1,037 | 6.5" | Montana fish & wildlife agency |
| September 28, 2005 | Rainbow Trout | 837 | 3.65" | Montana fish & wildlife agency |
| May 26, 2005 | Rainbow Trout | 1,027 | 7.06" | Montana fish & wildlife agency |
| October 15, 2004 | Rainbow Trout | 1,021 | 4.14" | Montana fish & wildlife agency |
| May 19, 2004 | Rainbow Trout | 1,002 | 8.11" | Montana fish & wildlife agency |
| September 23, 2003 | Rainbow Trout | 2,064 | 4.17" | Montana fish & wildlife agency |
| June 11, 2003 | Rainbow Trout | 2,747 | 2.59" | Montana fish & wildlife agency |
| April 24, 2003 | Rainbow Trout | 1,028 | 7.73" | Montana fish & wildlife agency |
| April 29, 2002 | Rainbow Trout | 1,100 | 7.7" | Montana fish & wildlife agency |
| September 20, 2001 | Rainbow Trout | 785 | 4.1" | Montana fish & wildlife agency |
| August 6, 2001 | Cutthroat Trout | 2,500 | 2" | Montana fish & wildlife agency |
| May 24, 2001 | Rainbow Trout | 744 | 2.7" | Montana fish & wildlife agency |
| September 22, 2000 | Rainbow Trout | 1,119 | 4.1" | Montana fish & wildlife agency |
| May 15, 2000 | Rainbow Trout | 514 | 8.3" | Montana fish & wildlife agency |
| October 4, 1999 | Rainbow Trout | 847 | 4.5" | Montana fish & wildlife agency |
| June 15, 1999 | Rainbow Trout | 551 | 3.2" | Montana fish & wildlife agency |
| September 28, 1998 | Rainbow Trout | 511 | 4" | Montana fish & wildlife agency |
| September 8, 1997 | Rainbow Trout | 1,037 | 3.9" | Montana fish & wildlife agency |
| August 13, 1996 | Cutthroat Trout | 2,500 | 2.3" | Montana fish & wildlife agency |
| July 21, 1995 | Cutthroat Trout | 2,500 | 1.9" | Montana fish & wildlife agency |
| May 19, 1995 | Rainbow Trout | 2,024 | 2.4" | Montana fish & wildlife agency |
| August 26, 1994 | Rainbow Trout | 2,065 | 4.1" | Montana fish & wildlife agency |
| October 1, 1993 | Rainbow Trout | 1,512 | 4.7" | Montana fish & wildlife agency |
| August 10, 1993 | Cutthroat Trout | 2,500 | 2.2" | Montana fish & wildlife agency |
| September 22, 1992 | Rainbow Trout | 1,818 | 3.5" | Montana fish & wildlife agency |
| October 10, 1991 | Rainbow Trout | 1,808 | 3.8" | Montana fish & wildlife agency |
| August 8, 1989 | Cutthroat Trout | 2,500 | 2" | Montana fish & wildlife agency |
Showing 50 of 71 stocking records.
Frequently asked
When was Rock Lake last stocked?
According to Montana fish & wildlife agency, Rock Lake was last stocked September 27, 2023 with Rainbow Trout.
What fish species are stocked in Rock Lake?
Rock Lake is stocked with Rainbow Trout, Cutthroat Trout, and Brook Trout.
What time of year is Rock Lake stocked?
Rock Lake is typically stocked in summer and fall, most often in September.
How often is Rock Lake stocked?
Rock Lake is stocked intermittently — 71 recorded stockings between 1925 and 2023.
How many fish have been stocked in Rock Lake?
About 224,909 fish have been stocked in Rock Lake across 71 recorded events since 1925, per Montana fish & wildlife agency.
What size are the fish stocked in Rock Lake?
Fish stocked in Rock Lake average about 4.5 inches, based on the sizes the agency reported.