Upper Twin Lake Fish Stocking
Montana · 1934–2025 on record
According to Montana fish & wildlife agency, Upper Twin Lake was last stocked September 30, 2025 with Cutthroat Trout. Upper Twin Lake has 14 stocking records on file, spanning 1934–2025, with about 88,287 fish stocked over that period.
When Upper Twin Lake is stocked
Upper Twin Lake is typically stocked in fall, most often in September — 8 stocking events in that peak month.
Nearby stocked waters
Other stocked waters near Upper Twin Lake, freshest activity first.
Lake Como
9 mi5 species · 384 records
Last stocked June 2026
Stafford Kid's Pond
4 mi1 species · 29 records
Last stocked May 2026
Heironymous Pond
9 mi1 species · 38 records
Last stocked May 2026
Upper Camas Lake
8 mi1 species · 10 records
Last stocked August 1977
Skalkaho Creek
6 mi2 species · 119 records
Last stocked July 1971
Kenck Lake
8 mi2 species · 8 records
Last stocked August 1956
By species
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| September 30, 2025 | Cutthroat Trout | 4,000 | 2.23" | Montana fish & wildlife agency |
| October 3, 2024 | Cutthroat Trout | 4,000 | 1.85" | Montana fish & wildlife agency |
| September 28, 2023 | Cutthroat Trout | 3,600 | 2.06" | Montana fish & wildlife agency |
| September 2, 2022 | Cutthroat Trout | 4,000 | 2.24" | Montana fish & wildlife agency |
| September 1, 2021 | Cutthroat Trout | 4,000 | 2.35" | Montana fish & wildlife agency |
| August 15, 2019 | Cutthroat Trout | 4,000 | 2.1" | Montana fish & wildlife agency |
| August 29, 2018 | Cutthroat Trout | 3,600 | 2.43" | Montana fish & wildlife agency |
| September 28, 2017 | Cutthroat Trout | 4,012 | 2.3" | Montana fish & wildlife agency |
Show 6 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| September 1, 2016 | Cutthroat Trout | 1,500 | 6.88" | Montana fish & wildlife agency |
| August 12, 2015 | Cutthroat Trout | 4,000 | 1.7" | Montana fish & wildlife agency |
| August 19, 1963 | Cutthroat Trout | 535 | 2" | Montana fish & wildlife agency |
| September 7, 1961 | Cutthroat Trout | 5,040 | 2" | Montana fish & wildlife agency |
| September 13, 1959 | Cutthroat Trout | 10,000 | 1" | Montana fish & wildlife agency |
| August 17, 1934 | Cutthroat Trout | 36,000 | 0 | Montana fish & wildlife agency |
Frequently asked
When was Upper Twin Lake last stocked?
According to Montana fish & wildlife agency, Upper Twin Lake was last stocked September 30, 2025 with Cutthroat Trout.
What fish species are stocked in Upper Twin Lake?
Upper Twin Lake is stocked with Cutthroat Trout.
What time of year is Upper Twin Lake stocked?
Upper Twin Lake is typically stocked in fall, most often in September.
How often is Upper Twin Lake stocked?
Upper Twin Lake is stocked intermittently — 14 recorded stockings between 1934 and 2025.
How many fish have been stocked in Upper Twin Lake?
About 88,287 fish have been stocked in Upper Twin Lake across 14 recorded events since 1934, per Montana fish & wildlife agency.
What size are the fish stocked in Upper Twin Lake?
Fish stocked in Upper Twin Lake average about 2.4 inches, based on the sizes the agency reported.