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Montana stocking report

Ostle Reservoir

59 records Last reported: June 26, 2025

Last reported stocking

The latest reported stocking at Ostle Reservoir was on June 26, 2025: 1,200 Rainbow Trout (3.7 in avg).

Record last checked: . This is not a stocking date.

Browse stocking history

Source: Montana Fish, Wildlife & Parks.

A schedule is a plan, not confirmation that fish were released. Stocking records do not guarantee fish are still available.

No current or upcoming schedule is in this archive. Check the official report before choosing a trip date.

County
Teton
Species on record
Rainbow Trout, Tiger Muskellunge
Records
59 records
Official source
Montana Fish, Wildlife & Parks report

Location map

Ostle Reservoir location context

Agency coordinates · access unverified
Beaverhead County Big Horn County Blaine County Broadwater County Carbon County Carter County Cascade County Chouteau County Custer County Daniels County Dawson County Deer Lodge County Fallon County Fergus County Flathead County Gallatin County Garfield County Glacier County Golden Valley County Granite County Hill County Jefferson County Judith Basin County Lake County Lewis and Clark County Liberty County Lincoln County Madison County McCone County Meagher County Mineral County Missoula County Musselshell County Park County Petroleum County Phillips County Pondera County Powder River County Powell County Prairie County Ravalli County Richland County Roosevelt County Rosebud County Sanders County Sheridan County Silver Bow County Stillwater County Sweet Grass County Teton County Toole County Treasure County Valley County Wheatland County Wibaux County Yellowstone County MT Ostle Reservoir, Teton County Ostle Reservoir Tunnel Lake, Teton County Tunnel Lake Pishkun Reservoir, Teton County Pishkun Reservoir Our Lake, Teton County Our Lake Anderson Pond, Teton County Anderson Pond Clemons Coulee Reservoir, Teton County Clemons Coulee Reservoir Kelly Reservoir, Teton County Kelly Reservoir Perkins Pond, Teton County Perkins Pond Bynum Reservoir, Teton County Bynum Reservoir Teton County
Ostle ReservoirAgency coordinates Tunnel LakeAgency coordinates Pishkun ReservoirAgency coordinates Our LakeAgency coordinates Anderson PondAgency coordinates

Pins appear only when the record includes coordinates; they are not verified access points. Shaded counties show area context only. Waters without coordinates stay in the list without a pin; confirm access and directions with the official agency source.

Before you go

Plan a trip to Ostle Reservoir

Check the latest report

Confirm dates and any changes in the official stocking report. Historical schedules are kept below even after their planned dates pass.

Check access and fishing rules

Use Montana's official fishing information to find current guidance. Confirm the exact water, public access, closures, and applicable fishing rules before leaving.

Choose the right location

The map gives location context. A shaded county is area context, not directions to a fishing spot or evidence of public access.

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Agency records

Stocking history

59 records from September 20, 1967 to June 26, 2025. Open a year to browse its records; scroll tables sideways for all columns. Scheduled means planned, even when the date has passed. Blank fields mean the source did not publish that detail.

2025 2 records
2025 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
June 26, 2025 reported Rainbow Trout1,2003.7 in avg Giant Springs Trout Hatchery Montana Fish, Wildlife & Parks
June 26, 2025 reported Rainbow Trout1,0006.0200000000000005 in avg Giant Springs Trout Hatchery Montana Fish, Wildlife & Parks
2024 3 records
2024 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
June 27, 2024 reported Rainbow Trout1,0203.96 in avg Big Springs Trout Hatchery Montana Fish, Wildlife & Parks
June 5, 2024 reported Rainbow Trout1,0003.3000000000000003 in avg Giant Springs Trout Hatchery Montana Fish, Wildlife & Parks
June 5, 2024 reported Rainbow Trout1,0005.5 in avg Giant Springs Trout Hatchery Montana Fish, Wildlife & Parks
2023 3 records
2023 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
June 27, 2023 reported Rainbow Trout1,0005.71 in avg Giant Springs Trout Hatchery Montana Fish, Wildlife & Parks
June 27, 2023 reported Rainbow Trout1,0003.34 in avg Giant Springs Trout Hatchery Montana Fish, Wildlife & Parks
June 14, 2023 reported Rainbow Trout1,0003.89 in avg Big Springs Trout Hatchery Montana Fish, Wildlife & Parks
2022 4 records
2022 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
October 26, 2022 reported Tiger Muskellunge208.44 in avg Miles City Fish Hatchery Montana Fish, Wildlife & Parks
June 27, 2022 reported Rainbow Trout9303.79 in avg Giant Springs Trout Hatchery Montana Fish, Wildlife & Parks
June 27, 2022 reported Rainbow Trout1,0006.140000000000001 in avg Giant Springs Trout Hatchery Montana Fish, Wildlife & Parks
June 16, 2022 reported Rainbow Trout1,0163.4 in avg Big Springs Trout Hatchery Montana Fish, Wildlife & Parks
2021 3 records
2021 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
June 16, 2021 reported Rainbow Trout1,0003.81 in avg Big Springs Trout Hatchery Montana Fish, Wildlife & Parks
June 1, 2021 reported Rainbow Trout1,0002.97 in avg Giant Springs Trout Hatchery Montana Fish, Wildlife & Parks
June 1, 2021 reported Rainbow Trout1,0005.04 in avg Giant Springs Trout Hatchery Montana Fish, Wildlife & Parks
2020 5 records
2020 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
June 25, 2020 reported Tiger Muskellunge2010.450000000000001 in avg Miles City Fish Hatchery Montana Fish, Wildlife & Parks
June 16, 2020 reported Rainbow Trout1,0104.41 in avg Big Springs Trout Hatchery Montana Fish, Wildlife & Parks
June 16, 2020 reported Rainbow Trout5273.39 in avg Big Springs Trout Hatchery Montana Fish, Wildlife & Parks
June 2, 2020 reported Rainbow Trout1,0002.97 in avg Giant Springs Trout Hatchery Montana Fish, Wildlife & Parks
June 2, 2020 reported Rainbow Trout1,0003.52 in avg Giant Springs Trout Hatchery Montana Fish, Wildlife & Parks
2019 3 records
2019 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
July 8, 2019 reported Tiger Muskellunge204.89 in avg Miles City Fish Hatchery Montana Fish, Wildlife & Parks
June 19, 2019 reported Rainbow Trout1,0003.75 in avg Giant Springs Trout Hatchery Montana Fish, Wildlife & Parks
June 19, 2019 reported Rainbow Trout1,0004.53 in avg Giant Springs Trout Hatchery Montana Fish, Wildlife & Parks
2018 2 records
2018 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
June 4, 2018 reported Rainbow Trout1,0224.42 in avg Big Springs Trout Hatchery Montana Fish, Wildlife & Parks
June 4, 2018 reported Rainbow Trout1,0033.4 in avg Big Springs Trout Hatchery Montana Fish, Wildlife & Parks
2017 2 records
2017 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
May 25, 2017 reported Rainbow Trout1,0154.19 in avg Big Springs Trout Hatchery Montana Fish, Wildlife & Parks
May 25, 2017 reported Rainbow Trout1,0003.4 in avg Big Springs Trout Hatchery Montana Fish, Wildlife & Parks
2016 2 records
2016 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
June 2, 2016 reported Rainbow Trout9674.42 in avg Big Springs Trout Hatchery Montana Fish, Wildlife & Parks
June 2, 2016 reported Rainbow Trout1,0043.31 in avg Big Springs Trout Hatchery Montana Fish, Wildlife & Parks
2015 2 records
2015 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
June 17, 2015 reported Rainbow Trout1,0084.19 in avg Big Springs Trout Hatchery Montana Fish, Wildlife & Parks
May 28, 2015 reported Rainbow Trout2,0034.2700000000000005 in avg Big Springs Trout Hatchery Montana Fish, Wildlife & Parks
2014 2 records
2014 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
October 9, 2014 reported Rainbow Trout1,9177.2 in avg Big Springs Trout Hatchery Montana Fish, Wildlife & Parks
May 29, 2014 reported Rainbow Trout2,0054.12 in avg Big Springs Trout Hatchery Montana Fish, Wildlife & Parks
2013 3 records
2013 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
September 20, 2013 reported Rainbow Trout52912.13 in avg Big Springs Trout Hatchery Montana Fish, Wildlife & Parks
September 12, 2013 reported Rainbow Trout1,9899.200000000000001 in avg Big Springs Trout Hatchery Montana Fish, Wildlife & Parks
June 18, 2013 reported Rainbow Trout2,0005.6000000000000005 in avg Giant Springs Trout Hatchery Montana Fish, Wildlife & Parks
2012 1 record
2012 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
May 22, 2012 reported Rainbow Trout2,0004.8 in avg Giant Springs Trout Hatchery Montana Fish, Wildlife & Parks
2011 1 record
2011 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
July 7, 2011 reported Rainbow Trout2,0004.7 in avg Giant Springs Trout Hatchery Montana Fish, Wildlife & Parks
2010 1 record
2010 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
July 22, 2010 reported Rainbow Trout1,0009.9 in avg Giant Springs Trout Hatchery Montana Fish, Wildlife & Parks
2009 1 record
2009 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
June 25, 2009 reported Rainbow Trout2,0006 in avg Giant Springs Trout Hatchery Montana Fish, Wildlife & Parks
2008 1 record
2008 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
July 1, 2008 reported Rainbow Trout2,0005.1000000000000005 in avg Giant Springs Trout Hatchery Montana Fish, Wildlife & Parks
2006 1 record
2006 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
June 6, 2006 reported Rainbow Trout2,2004.8 in avg Giant Springs Trout Hatchery Montana Fish, Wildlife & Parks
2005 1 record
2005 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
May 24, 2005 reported Rainbow Trout2,0004.16 in avg Giant Springs Trout Hatchery Montana Fish, Wildlife & Parks
2004 1 record
2004 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
June 25, 2004 reported Rainbow Trout2,0005 in avg Giant Springs Trout Hatchery Montana Fish, Wildlife & Parks
2003 1 record
2003 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
June 16, 2003 reported Rainbow Trout2,0004.7 in avg Giant Springs Trout Hatchery Montana Fish, Wildlife & Parks
2002 1 record
2002 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
May 30, 2002 reported Rainbow Trout2,0004.9 in avg Giant Springs Trout Hatchery Montana Fish, Wildlife & Parks
1999 1 record
1999 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
June 22, 1999 reported Rainbow Trout2,0004.8 in avg Giant Springs Trout Hatchery Montana Fish, Wildlife & Parks
1998 1 record
1998 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
May 28, 1998 reported Rainbow Trout2,0003.9 in avg Giant Springs Trout Hatchery Montana Fish, Wildlife & Parks
1997 1 record
1997 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
June 23, 1997 reported Rainbow Trout2,0004.6000000000000005 in avg Giant Springs Trout Hatchery Montana Fish, Wildlife & Parks
1996 1 record
1996 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
June 27, 1996 reported Rainbow Trout2,0004.2 in avg Giant Springs Trout Hatchery Montana Fish, Wildlife & Parks
1994 1 record
1994 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
June 2, 1994 reported Rainbow Trout2,0004.8 in avg Giant Springs Trout Hatchery Montana Fish, Wildlife & Parks
1992 1 record
1992 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
May 12, 1992 reported Rainbow Trout2,0094.7 in avg Giant Springs Trout Hatchery Montana Fish, Wildlife & Parks
1991 1 record
1991 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
August 5, 1991 reported Rainbow Trout2,1005.2 in avg Giant Springs Trout Hatchery Montana Fish, Wildlife & Parks
1990 1 record
1990 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
May 10, 1990 reported Rainbow Trout2,0003.9 in avg Giant Springs Trout Hatchery Montana Fish, Wildlife & Parks
1989 1 record
1989 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
May 23, 1989 reported Rainbow Trout2,0015.1000000000000005 in avg Giant Springs Trout Hatchery Montana Fish, Wildlife & Parks
1986 1 record
1986 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
June 17, 1986 reported Rainbow Trout2,0166 in avg Giant Springs Trout Hatchery Montana Fish, Wildlife & Parks
1984 1 record
1984 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
June 1, 1984 reported Rainbow Trout2,0205 in avg Giant Springs Trout Hatchery Montana Fish, Wildlife & Parks
1983 1 record
1983 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
June 1, 1983 reported Rainbow Trout2,0085 in avg Giant Springs Trout Hatchery Montana Fish, Wildlife & Parks
1967 1 record
1967 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
September 20, 1967 reported Rainbow Trout5,4004 in avg Giant Springs Trout Hatchery Montana Fish, Wildlife & Parks

Records retain the dates, quantities, and status supplied by the linked agencies. An event missing here does not mean the water was not stocked - some plants go unreported or are published elsewhere.

Grouped by county and sorted by latest record, not by driving distance. Confirm access for each water.

Data source: Montana Fish, Wildlife & Parks. A record for this water was last checked on . This check date is not a stocking date.

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