Ravalli County, MT
Upper Twin Lake
About this water
Upper Twin Lake is a lake in Ravalli County, Montana. State records show it stocked 10 times between 2015 and 2025. Every recorded release has been westslope cutthroat trout. 36,712 westslope cutthroat trout have gone in across 10 releases.
Stocking history
10 recorded stockings
| Date | Species | Number | Size | Hatchery |
|---|---|---|---|---|
| Sep 30, 2025 | Westslope Cutthroat Trout · Anaconda | 4,000 | 2.2" | Washoe Park Trout Hatchery |
| Oct 3, 2024 | Westslope Cutthroat Trout · Anaconda | 4,000 | 1.9" | Washoe Park Trout Hatchery |
| Sep 28, 2023 | Westslope Cutthroat Trout · Anaconda | 3,600 | 2.1" | Washoe Park Trout Hatchery |
| Sep 2, 2022 | Westslope Cutthroat Trout · Anaconda | 4,000 | 2.2" | Washoe Park Trout Hatchery |
| Sep 1, 2021 | Westslope Cutthroat Trout · Anaconda | 4,000 | 2.4" | Washoe Park Trout Hatchery |
| Aug 15, 2019 | Westslope Cutthroat Trout · Anaconda | 4,000 | 2.1" | Washoe Park Trout Hatchery |
| Aug 29, 2018 | Westslope Cutthroat Trout · Anaconda | 3,600 | 2.4" | Washoe Park Trout Hatchery |
| Sep 28, 2017 | Westslope Cutthroat Trout · Anaconda | 4,012 | 2.3" | Washoe Park Trout Hatchery |
| Sep 1, 2016 | Westslope Cutthroat Trout · Anaconda | 1,500 | 6.9" | Washoe Park Trout Hatchery |
| Aug 12, 2015 | Westslope Cutthroat Trout · Anaconda | 4,000 | 1.7" | Washoe Park Trout Hatchery |
Stocking records for Upper Twin Lake published by Montana Fish, Wildlife & Parks. Stocking does not guarantee fish are present. Check current regulations and access before you go. See the full Montana stocking report.


