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Montana stocking report

Castle Lake

47 records Last reported: September 17, 2025

Last reported stocking

The latest reported stocking at Castle Lake was on September 17, 2025: 300 Westslope Cutthroat Trout (12.52 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.

Counties
Meagher, Flathead
Species on record
Westslope Cutthroat Trout, Yellowstone Cutthroat Trout, Cutthroat Trout, Arctic Grayling, Rainbow Trout
Records
47 records
Official source
Montana Fish, Wildlife & Parks report

Location map

Castle Lake 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 Castle Lake, Meagher County Castle Lake Hundred Dollar Bill Pond, Meagher County Hundred Dollar Bill Pond Gipsy Lake, Meagher County Gipsy Lake Bair Reservoir, Meagher County Bair Reservoir Lake Sutherlin, Meagher County Lake Sutherlin Bonanza Reservoir, Meagher County Bonanza Reservoir Cook Reservoir 2, Meagher County Cook Reservoir 2 Newlan Reservoir, Meagher County Newlan Reservoir Edith Lake, Meagher County Edith Lake Meagher County
Castle LakeAgency coordinates Hundred Dollar Bill PondAgency coordinates Gipsy LakeAgency coordinates Bair ReservoirAgency coordinates Lake SutherlinAgency 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.

Check the exact water: This page groups records with the same name across 2 counties. They may describe different waters or reaches; the map does not identify all of them.

Before you go

Plan a trip to Castle Lake

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.

Get stocking alerts for this water

Looking for a different Castle Lake? Also on record: Castle Lake (Custer County, Idaho) · Castle Lake (Gogebic County, Michigan) · Castle Lake (Grant County, Washington)

Agency records

Stocking history

47 records from August 18, 1934 to September 17, 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 1 record
2025 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
September 17, 2025 reported Westslope Cutthroat Trout30012.52 in avg Washoe Park Trout Hatchery Montana Fish, Wildlife & Parks
2023 1 record
2023 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
July 27, 2023 reported Westslope Cutthroat Trout5001.75 in avg Washoe Park Trout Hatchery Montana Fish, Wildlife & Parks
2022 1 record
2022 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
July 20, 2022 reported Westslope Cutthroat Trout1,5061.31 in avg Flathead Lake Salmon Hatchery Montana Fish, Wildlife & Parks
2021 1 record
2021 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
July 28, 2021 reported Westslope Cutthroat Trout5002 in avg Washoe Park Trout Hatchery Montana Fish, Wildlife & Parks
2019 2 records
2019 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
July 30, 2019 reported Westslope Cutthroat Trout5001.93 in avg Washoe Park Trout Hatchery Montana Fish, Wildlife & Parks
July 20, 2019 reported Westslope Cutthroat Trout1,5001.21 in avg Flathead Lake Salmon Hatchery Montana Fish, Wildlife & Parks
2017 1 record
2017 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
July 25, 2017 reported Westslope Cutthroat Trout5001.72 in avg Washoe Park Trout Hatchery Montana Fish, Wildlife & Parks
2016 1 record
2016 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
August 24, 2016 reported Westslope Cutthroat Trout942.2 in avg Flathead Lake Salmon Hatchery Montana Fish, Wildlife & Parks
2015 1 record
2015 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
July 29, 2015 reported Westslope Cutthroat Trout5001.76 in avg Washoe Park Trout Hatchery Montana Fish, Wildlife & Parks
2013 2 records
2013 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
July 30, 2013 reported Westslope Cutthroat Trout4991.85 in avg Washoe Park Trout Hatchery Montana Fish, Wildlife & Parks
July 30, 2013 reported Westslope Cutthroat Trout4991.85 in avg Montana Fish, Wildlife & Parks
2011 1 record
2011 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
August 10, 2011 reported Westslope Cutthroat Trout5001.8 in avg Washoe Park Trout Hatchery Montana Fish, Wildlife & Parks
2010 1 record
2010 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
August 17, 2010 reported Westslope Cutthroat Trout1,5002 in avg Flathead Lake Salmon Hatchery Montana Fish, Wildlife & Parks
2009 1 record
2009 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
August 10, 2009 reported Westslope Cutthroat Trout5002 in avg Washoe Park Trout Hatchery Montana Fish, Wildlife & Parks
2007 2 records
2007 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
August 8, 2007 reported Westslope Cutthroat Trout5001.85 in avg Washoe Park Trout Hatchery Montana Fish, Wildlife & Parks
July 26, 2007 reported Westslope Cutthroat Trout1,5121.23 in avg Murray Springs Trout Hatchery Montana Fish, Wildlife & Parks
2004 1 record
2004 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
July 12, 2004 reported Westslope Cutthroat Trout1,5801.33 in avg Murray Springs Trout Hatchery Montana Fish, Wildlife & Parks
2001 1 record
2001 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
August 6, 2001 reported Yellowstone Cutthroat Trout5002 in avg Yellowstone River Trout Hatchery Montana Fish, Wildlife & Parks
1999 2 records
1999 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
August 13, 1999 reported Westslope Cutthroat Trout2,4961.5 in avg Murray Springs Trout Hatchery Montana Fish, Wildlife & Parks
August 2, 1999 reported Yellowstone Cutthroat Trout5002.1 in avg Yellowstone River Trout Hatchery Montana Fish, Wildlife & Parks
1998 1 record
1998 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
August 4, 1998 reported Westslope Cutthroat Trout2,9401.3 in avg Murray Springs Trout Hatchery Montana Fish, Wildlife & Parks
1997 2 records
1997 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
August 11, 1997 reported Yellowstone Cutthroat Trout5002.2 in avg Yellowstone River Trout Hatchery Montana Fish, Wildlife & Parks
July 28, 1997 reported Westslope Cutthroat Trout2,5091.5 in avg Murray Springs Trout Hatchery Montana Fish, Wildlife & Parks
1995 1 record
1995 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
July 21, 1995 reported Yellowstone Cutthroat Trout5001.9000000000000001 in avg Yellowstone River Trout Hatchery Montana Fish, Wildlife & Parks
1993 2 records
1993 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
August 12, 1993 reported Westslope Cutthroat Trout3,0001.2 in avg Flathead Lake Salmon Hatchery Montana Fish, Wildlife & Parks
August 10, 1993 reported Yellowstone Cutthroat Trout5002.2 in avg Yellowstone River Trout Hatchery Montana Fish, Wildlife & Parks
1991 1 record
1991 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
August 6, 1991 reported Yellowstone Cutthroat Trout5002 in avg Yellowstone River Trout Hatchery Montana Fish, Wildlife & Parks
1989 2 records
1989 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
August 15, 1989 reported Westslope Cutthroat Trout3,0361.3 in avg Murray Springs Trout Hatchery Montana Fish, Wildlife & Parks
August 8, 1989 reported Yellowstone Cutthroat Trout5002 in avg Yellowstone River Trout Hatchery Montana Fish, Wildlife & Parks
1987 1 record
1987 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
August 18, 1987 reported Yellowstone Cutthroat Trout5001.8 in avg Yellowstone River Trout Hatchery Montana Fish, Wildlife & Parks
1985 2 records
1985 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
August 6, 1985 reported Westslope Cutthroat Trout3,0002 in avg Creston National Fish Hatchery Montana Fish, Wildlife & Parks
July 25, 1985 reported Yellowstone Cutthroat Trout5002 in avg Big Springs Trout Hatchery Montana Fish, Wildlife & Parks
1983 1 record
1983 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
August 3, 1983 reported Yellowstone Cutthroat Trout5072 in avg Yellowstone River Trout Hatchery Montana Fish, Wildlife & Parks
1982 1 record
1982 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
September 2, 1982 reported Westslope Cutthroat Trout3,0002 in avg Creston National Fish Hatchery Montana Fish, Wildlife & Parks
1981 1 record
1981 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
August 6, 1981 reported Yellowstone Cutthroat Trout2672 in avg Yellowstone River Trout Hatchery Montana Fish, Wildlife & Parks
1979 1 record
1979 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
July 17, 1979 reported Yellowstone Cutthroat Trout2822 in avg Yellowstone River Trout Hatchery Montana Fish, Wildlife & Parks
1977 2 records
1977 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
August 17, 1977 reported Yellowstone Cutthroat Trout2502 in avg Yellowstone River Trout Hatchery Montana Fish, Wildlife & Parks
August 3, 1977 reported Westslope Cutthroat Trout3,0721 in avg Flathead Lake Salmon Hatchery Montana Fish, Wildlife & Parks
1975 1 record
1975 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
September 8, 1975 reported Yellowstone Cutthroat Trout5083 in avg Yellowstone River Trout Hatchery Montana Fish, Wildlife & Parks
1973 1 record
1973 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
September 18, 1973 reported Yellowstone Cutthroat Trout4802 in avg Yellowstone River Trout Hatchery Montana Fish, Wildlife & Parks
1969 1 record
1969 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
August 19, 1969 reported Cutthroat Trout2,8441 in avg Flathead Lake Salmon Hatchery Montana Fish, Wildlife & Parks
1966 1 record
1966 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
July 20, 1966 reported Yellowstone Cutthroat Trout1,5843 in avg Yellowstone River Trout Hatchery Montana Fish, Wildlife & Parks
1961 1 record
1961 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
September 18, 1961 reported Arctic Grayling6842 in avg Big Springs Trout Hatchery Montana Fish, Wildlife & Parks
1951 1 record
1951 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
August 17, 1951 reported Cutthroat Trout3,0001 in avg Flathead Lake Salmon Hatchery Montana Fish, Wildlife & Parks
1939 1 record
1939 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
August 12, 1939 reported Rainbow Trout1,0004 in avg Big Springs Trout Hatchery Montana Fish, Wildlife & Parks
1938 1 record
1938 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
September 16, 1938 reported Rainbow Trout9,3602 in avg Yellowstone River Trout Hatchery Montana Fish, Wildlife & Parks
1934 1 record
1934 stocking records and official sources
Date / statusSpeciesFishSizeHatcherySource
August 18, 1934 reported Cutthroat Trout40,000 Yellowstone River 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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