StockerTroutFishing

Montana · Ravalli County · Deer Lodge County

Upper Twin Lake - stocking report

Upper Twin Lake was last stocked on September 30, 2025: 4,000 Westslope Cutthroat Trout (2.23 in avg).

Looking for a different Upper Twin Lake? Also on record: Upper Twin Lake (Idaho County, Idaho) · Upper Twin Lake (Kootenai County, Idaho)

Counties
Ravalli, Deer Lodge
Species on record
Westslope Cutthroat Trout, Cutthroat Trout
Records
14 stocking events
Official source
Montana Fish, Wildlife & Parks report

Full stocking history

DateSpeciesFishSizeHatchery
September 30, 2025 Westslope Cutthroat Trout 4,000 2.23 in avg Washoe Park Trout Hatchery
October 3, 2024 Westslope Cutthroat Trout 4,000 1.85 in avg Washoe Park Trout Hatchery
September 28, 2023 Westslope Cutthroat Trout 3,600 2.06 in avg Washoe Park Trout Hatchery
September 2, 2022 Westslope Cutthroat Trout 4,000 2.24 in avg Washoe Park Trout Hatchery
September 1, 2021 Westslope Cutthroat Trout 4,000 2.35 in avg Washoe Park Trout Hatchery
August 15, 2019 Westslope Cutthroat Trout 4,000 2.1 in avg Washoe Park Trout Hatchery
August 29, 2018 Westslope Cutthroat Trout 3,600 2.43 in avg Washoe Park Trout Hatchery
September 28, 2017 Westslope Cutthroat Trout 4,012 2.3000000000000003 in avg Washoe Park Trout Hatchery
September 1, 2016 Westslope Cutthroat Trout 1,500 6.88 in avg Washoe Park Trout Hatchery
August 12, 2015 Westslope Cutthroat Trout 4,000 1.7 in avg Washoe Park Trout Hatchery
August 19, 1963 Cutthroat Trout 535 2 in avg Washoe Park Trout Hatchery
September 7, 1961 Cutthroat Trout 5,040 2 in avg Washoe Park Trout Hatchery
September 13, 1959 Cutthroat Trout 10,000 1 in avg Washoe Park Trout Hatchery
August 17, 1934 Cutthroat Trout 36,000 Washoe Park Trout Hatchery

Records shown exactly as published by Montana Fish, Wildlife & Parks. An event missing here does not mean the water was not stocked - some plants go unreported or are published elsewhere.

Data source: Montana Fish, Wildlife & Parks. Last updated: .