Montana stocking report
Ostle Reservoir
59 records Last stocked: June 26, 2025
The short answer
Ostle Reservoir was last stocked on June 26, 2025: 1,200 Rainbow Trout (3.7 in avg).
Location map
Ostle Reservoir location context
Ostle ReservoirTeton County Tunnel LakeTeton County Pishkun ReservoirTeton County Our LakeTeton County Anderson PondTeton County
Pins use the finest location published with the stocking record. County-level pins show area context, not an exact access point; confirm access and directions with the official agency source.
Agency records
Full stocking history
| Date | Species | Fish | Size | Hatchery |
|---|---|---|---|---|
| June 26, 2025 | Rainbow Trout | 1,200 | 3.7 in avg | Giant Springs Trout Hatchery |
| June 26, 2025 | Rainbow Trout | 1,000 | 6.0200000000000005 in avg | Giant Springs Trout Hatchery |
| June 27, 2024 | Rainbow Trout | 1,020 | 3.96 in avg | Big Springs Trout Hatchery |
| June 5, 2024 | Rainbow Trout | 1,000 | 3.3000000000000003 in avg | Giant Springs Trout Hatchery |
| June 5, 2024 | Rainbow Trout | 1,000 | 5.5 in avg | Giant Springs Trout Hatchery |
| June 27, 2023 | Rainbow Trout | 1,000 | 5.71 in avg | Giant Springs Trout Hatchery |
| June 27, 2023 | Rainbow Trout | 1,000 | 3.34 in avg | Giant Springs Trout Hatchery |
| June 14, 2023 | Rainbow Trout | 1,000 | 3.89 in avg | Big Springs Trout Hatchery |
| October 26, 2022 | Tiger Muskellunge | 20 | 8.44 in avg | Miles City Fish Hatchery |
| June 27, 2022 | Rainbow Trout | 930 | 3.79 in avg | Giant Springs Trout Hatchery |
| June 27, 2022 | Rainbow Trout | 1,000 | 6.140000000000001 in avg | Giant Springs Trout Hatchery |
| June 16, 2022 | Rainbow Trout | 1,016 | 3.4 in avg | Big Springs Trout Hatchery |
| June 16, 2021 | Rainbow Trout | 1,000 | 3.81 in avg | Big Springs Trout Hatchery |
| June 1, 2021 | Rainbow Trout | 1,000 | 2.97 in avg | Giant Springs Trout Hatchery |
| June 1, 2021 | Rainbow Trout | 1,000 | 5.04 in avg | Giant Springs Trout Hatchery |
| June 25, 2020 | Tiger Muskellunge | 20 | 10.450000000000001 in avg | Miles City Fish Hatchery |
| June 16, 2020 | Rainbow Trout | 1,010 | 4.41 in avg | Big Springs Trout Hatchery |
| June 16, 2020 | Rainbow Trout | 527 | 3.39 in avg | Big Springs Trout Hatchery |
| June 2, 2020 | Rainbow Trout | 1,000 | 2.97 in avg | Giant Springs Trout Hatchery |
| June 2, 2020 | Rainbow Trout | 1,000 | 3.52 in avg | Giant Springs Trout Hatchery |
| July 8, 2019 | Tiger Muskellunge | 20 | 4.89 in avg | Miles City Fish Hatchery |
| June 19, 2019 | Rainbow Trout | 1,000 | 3.75 in avg | Giant Springs Trout Hatchery |
| June 19, 2019 | Rainbow Trout | 1,000 | 4.53 in avg | Giant Springs Trout Hatchery |
| June 4, 2018 | Rainbow Trout | 1,022 | 4.42 in avg | Big Springs Trout Hatchery |
| June 4, 2018 | Rainbow Trout | 1,003 | 3.4 in avg | Big Springs Trout Hatchery |
| May 25, 2017 | Rainbow Trout | 1,015 | 4.19 in avg | Big Springs Trout Hatchery |
| May 25, 2017 | Rainbow Trout | 1,000 | 3.4 in avg | Big Springs Trout Hatchery |
| June 2, 2016 | Rainbow Trout | 967 | 4.42 in avg | Big Springs Trout Hatchery |
| June 2, 2016 | Rainbow Trout | 1,004 | 3.31 in avg | Big Springs Trout Hatchery |
| June 17, 2015 | Rainbow Trout | 1,008 | 4.19 in avg | Big Springs Trout Hatchery |
| May 28, 2015 | Rainbow Trout | 2,003 | 4.2700000000000005 in avg | Big Springs Trout Hatchery |
| October 9, 2014 | Rainbow Trout | 1,917 | 7.2 in avg | Big Springs Trout Hatchery |
| May 29, 2014 | Rainbow Trout | 2,005 | 4.12 in avg | Big Springs Trout Hatchery |
| September 20, 2013 | Rainbow Trout | 529 | 12.13 in avg | Big Springs Trout Hatchery |
| September 12, 2013 | Rainbow Trout | 1,989 | 9.200000000000001 in avg | Big Springs Trout Hatchery |
| June 18, 2013 | Rainbow Trout | 2,000 | 5.6000000000000005 in avg | Giant Springs Trout Hatchery |
| May 22, 2012 | Rainbow Trout | 2,000 | 4.8 in avg | Giant Springs Trout Hatchery |
| July 7, 2011 | Rainbow Trout | 2,000 | 4.7 in avg | Giant Springs Trout Hatchery |
| July 22, 2010 | Rainbow Trout | 1,000 | 9.9 in avg | Giant Springs Trout Hatchery |
| June 25, 2009 | Rainbow Trout | 2,000 | 6 in avg | Giant Springs Trout Hatchery |
| July 1, 2008 | Rainbow Trout | 2,000 | 5.1000000000000005 in avg | Giant Springs Trout Hatchery |
| June 6, 2006 | Rainbow Trout | 2,200 | 4.8 in avg | Giant Springs Trout Hatchery |
| May 24, 2005 | Rainbow Trout | 2,000 | 4.16 in avg | Giant Springs Trout Hatchery |
| June 25, 2004 | Rainbow Trout | 2,000 | 5 in avg | Giant Springs Trout Hatchery |
| June 16, 2003 | Rainbow Trout | 2,000 | 4.7 in avg | Giant Springs Trout Hatchery |
| May 30, 2002 | Rainbow Trout | 2,000 | 4.9 in avg | Giant Springs Trout Hatchery |
| June 22, 1999 | Rainbow Trout | 2,000 | 4.8 in avg | Giant Springs Trout Hatchery |
| May 28, 1998 | Rainbow Trout | 2,000 | 3.9 in avg | Giant Springs Trout Hatchery |
| June 23, 1997 | Rainbow Trout | 2,000 | 4.6000000000000005 in avg | Giant Springs Trout Hatchery |
| June 27, 1996 | Rainbow Trout | 2,000 | 4.2 in avg | Giant Springs Trout Hatchery |
| June 2, 1994 | Rainbow Trout | 2,000 | 4.8 in avg | Giant Springs Trout Hatchery |
| May 12, 1992 | Rainbow Trout | 2,009 | 4.7 in avg | Giant Springs Trout Hatchery |
| August 5, 1991 | Rainbow Trout | 2,100 | 5.2 in avg | Giant Springs Trout Hatchery |
| May 10, 1990 | Rainbow Trout | 2,000 | 3.9 in avg | Giant Springs Trout Hatchery |
| May 23, 1989 | Rainbow Trout | 2,001 | 5.1000000000000005 in avg | Giant Springs Trout Hatchery |
| June 17, 1986 | Rainbow Trout | 2,016 | 6 in avg | Giant Springs Trout Hatchery |
| June 1, 1984 | Rainbow Trout | 2,020 | 5 in avg | Giant Springs Trout Hatchery |
| June 1, 1983 | Rainbow Trout | 2,008 | 5 in avg | Giant Springs Trout Hatchery |
| September 20, 1967 | Rainbow Trout | 5,400 | 4 in avg | Giant Springs 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: .
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