Brimstone Lake Fish Stocking
Montana · 1943–2023 on record
According to Montana fish & wildlife agency, Brimstone Lake was last stocked July 14, 2023 with Cutthroat Trout. Brimstone Lake has 28 stocking records on file, spanning 1943–2023, with about 19,432 fish stocked over that period.
When Brimstone Lake is stocked
Brimstone Lake is typically stocked in spring and summer, most often in May — 12 stocking events in that peak month.
Nearby stocked waters
Other stocked waters near Brimstone Lake, freshest activity first.
Smokey Lake
6 mi3 species · 40 records
Last stocked May 2026
Dickey Lake
6 mi7 species · 174 records
Last stocked May 2026
Louis Lake
3 mi2 species · 32 records
Last stocked August 2024
Murphy Lake
5 mi5 species · 43 records
Last stocked August 2024
Sunday Lake 1
5 mi2 species · 18 records
Last stocked August 2024
Burnt Lake
7 mi2 species · 22 records
Last stocked July 2023
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| July 14, 2023 | Cutthroat Trout | 300 | 1.14" | Montana fish & wildlife agency |
| August 19, 2021 | Cutthroat Trout | 300 | 1.4" | Montana fish & wildlife agency |
| August 5, 2019 | Cutthroat Trout | 300 | 1.21" | Montana fish & wildlife agency |
| September 25, 2017 | Cutthroat Trout | 300 | 2" | Montana fish & wildlife agency |
| September 2, 2015 | Cutthroat Trout | 306 | 1.76" | Montana fish & wildlife agency |
| May 29, 2013 | Cutthroat Trout | 326 | 5.6" | Montana fish & wildlife agency |
| June 23, 2011 | Cutthroat Trout | 328 | 8.35" | Montana fish & wildlife agency |
| May 26, 2009 | Cutthroat Trout | 305 | 9.03" | Montana fish & wildlife agency |
Show 20 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| May 18, 2007 | Cutthroat Trout | 319 | 8.12" | Montana fish & wildlife agency |
| June 13, 2005 | Cutthroat Trout | 184 | 8.39" | Montana fish & wildlife agency |
| May 13, 2005 | Cutthroat Trout | 75 | 8.57" | Montana fish & wildlife agency |
| May 13, 2005 | Cutthroat Trout | 227 | 3.87" | Montana fish & wildlife agency |
| June 13, 2003 | Cutthroat Trout | 368 | 3.87" | Montana fish & wildlife agency |
| May 7, 2001 | Cutthroat Trout | 165 | 7.7" | Montana fish & wildlife agency |
| May 7, 2001 | Cutthroat Trout | 167 | 3.8" | Montana fish & wildlife agency |
| May 12, 1999 | Cutthroat Trout | 302 | 3.6" | Montana fish & wildlife agency |
| May 12, 1997 | Cutthroat Trout | 328 | 4.1" | Montana fish & wildlife agency |
| May 11, 1995 | Cutthroat Trout | 1,158 | 3.3" | Montana fish & wildlife agency |
| May 19, 1993 | Cutthroat Trout | 998 | 3.2" | Montana fish & wildlife agency |
| June 13, 1989 | Cutthroat Trout | 1,061 | 3.6" | Montana fish & wildlife agency |
| July 16, 1987 | Cutthroat Trout | 1,207 | 5.8" | Montana fish & wildlife agency |
| June 24, 1986 | Cutthroat Trout | 1,000 | 6" | Montana fish & wildlife agency |
| May 30, 1984 | Cutthroat Trout | 1,000 | 5" | Montana fish & wildlife agency |
| July 21, 1982 | Cutthroat Trout | 2,684 | 4" | Montana fish & wildlife agency |
| August 27, 1980 | Cutthroat Trout | 1,000 | 5" | Montana fish & wildlife agency |
| October 4, 1978 | Cutthroat Trout | 2,000 | 2" | Montana fish & wildlife agency |
| August 3, 1977 | Cutthroat Trout | 1,024 | 1" | Montana fish & wildlife agency |
| July 8, 1943 | Brook Trout | 1,700 | 6" | Montana fish & wildlife agency |
Frequently asked
When was Brimstone Lake last stocked?
According to Montana fish & wildlife agency, Brimstone Lake was last stocked July 14, 2023 with Cutthroat Trout.
What fish species are stocked in Brimstone Lake?
Brimstone Lake is stocked with Cutthroat Trout and Brook Trout.
What time of year is Brimstone Lake stocked?
Brimstone Lake is typically stocked in spring and summer, most often in May.
How often is Brimstone Lake stocked?
Brimstone Lake is stocked intermittently — 28 recorded stockings between 1943 and 2023.
How many fish have been stocked in Brimstone Lake?
About 19,432 fish have been stocked in Brimstone Lake across 28 recorded events since 1943, per Montana fish & wildlife agency.
What size are the fish stocked in Brimstone Lake?
Fish stocked in Brimstone Lake average about 4.6 inches, based on the sizes the agency reported.