Twelvemile Lake Fish Stocking
Montana · 1952–2023 on record
According to Montana fish & wildlife agency, Twelvemile Lake was last stocked July 27, 2023 with Cutthroat Trout. Twelvemile Lake has 13 stocking records on file, spanning 1952–2023, with about 13,658 fish stocked over that period.
When Twelvemile Lake is stocked
Twelvemile Lake is typically stocked in summer, most often in August — 9 stocking events in that peak month.
Nearby stocked waters
Other stocked waters near Twelvemile Lake, freshest activity first.
Lower Twin Lake
2 mi3 species · 100 records
Last stocked September 2025
Blodgett Lake
6 mi1 species · 11 records
Last stocked July 2023
Heinrich Lake
10 mi1 species · 8 records
Last stocked July 2023
Boulder Lake
10 mi1 species · 6 records
Last stocked August 2000
Tenmile Lake
1 mi2 species · 8 records
Last stocked August 1990
Lake Capitan
10 mi1 species · 5 records
Last stocked August 1990
By species
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| July 27, 2023 | Cutthroat Trout | 350 | 1.79" | Montana fish & wildlife agency |
| July 31, 2019 | Cutthroat Trout | 350 | 1.93" | Montana fish & wildlife agency |
| August 23, 2017 | Cutthroat Trout | 350 | 1.98" | Montana fish & wildlife agency |
| August 14, 2012 | Cutthroat Trout | 350 | 1.81" | Montana fish & wildlife agency |
| August 8, 2007 | Cutthroat Trout | 350 | 1.85" | Montana fish & wildlife agency |
| August 16, 2002 | Cutthroat Trout | 400 | 2.2" | Montana fish & wildlife agency |
| August 17, 1990 | Cutthroat Trout | 500 | 1.2" | Montana fish & wildlife agency |
| August 17, 1984 | Cutthroat Trout | 1,000 | 1" | Montana fish & wildlife agency |
Show 5 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| August 11, 1977 | Cutthroat Trout | 1,455 | 2" | Montana fish & wildlife agency |
| September 5, 1971 | Cutthroat Trout | 1,736 | 2" | Montana fish & wildlife agency |
| August 10, 1968 | Cutthroat Trout | 1,500 | 1" | Montana fish & wildlife agency |
| July 22, 1966 | Cutthroat Trout | 1,317 | 1" | Montana fish & wildlife agency |
| August 21, 1952 | Cutthroat Trout | 4,000 | 1" | Montana fish & wildlife agency |
Frequently asked
When was Twelvemile Lake last stocked?
According to Montana fish & wildlife agency, Twelvemile Lake was last stocked July 27, 2023 with Cutthroat Trout.
What fish species are stocked in Twelvemile Lake?
Twelvemile Lake is stocked with Cutthroat Trout.
What time of year is Twelvemile Lake stocked?
Twelvemile Lake is typically stocked in summer, most often in August.
How often is Twelvemile Lake stocked?
Twelvemile Lake is stocked intermittently — 13 recorded stockings between 1952 and 2023.
How many fish have been stocked in Twelvemile Lake?
About 13,658 fish have been stocked in Twelvemile Lake across 13 recorded events since 1952, per Montana fish & wildlife agency.
What size are the fish stocked in Twelvemile Lake?
Fish stocked in Twelvemile Lake average about 1.6 inches, based on the sizes the agency reported.