What species are stocked in Twin Lake (Upper)?

On record: Arctic Grayling, Yellowstone Cutthroat Trout. Source: Montana Fish, Wildlife & Parks.

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Montana stocking report

Twin Lake (Upper)

28 records Last reported: July 16, 2025

Last reported stocking

The latest reported stocking at Twin Lake (Upper) was on July 16, 2025: 450 Arctic Grayling (5.49 in avg).

Record last checked: 2026-07-24. 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: Madison, Park
Species on record: Arctic Grayling, Yellowstone Cutthroat Trout
Records: 28 records
Official source: Montana Fish, Wildlife & Parks report

Location map

Twin Lake (Upper) location context

Agency coordinates · access unverified

Twin Lake (Upper)Agency coordinates Ruby River ReservoirAgency coordinates Willow Creek ReservoirAgency coordinates Upper Sureshot LakeAgency coordinates Brannan LakesAgency 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 Twin Lake (Upper)

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

28 records from August 1, 1979 to July 16, 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 / status	Species	Fish	Size	Hatchery	Source
July 16, 2025 reported	Arctic Grayling	450	5.49 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

2024 1 record

2024 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
July 8, 2024 reported	Arctic Grayling	300	5.97 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

2023 1 record

2023 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
July 25, 2023 reported	Arctic Grayling	600	6.47 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

2022 1 record

2022 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
July 15, 2022 reported	Arctic Grayling	225	2.27 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

2021 2 records

2021 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 15, 2021 reported	Arctic Grayling	215	5.88 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
June 15, 2021 reported	Arctic Grayling	185	6.0600000000000005 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

2020 2 records

2020 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
July 13, 2020 reported	Arctic Grayling	225	6.3100000000000005 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
July 13, 2020 reported	Arctic Grayling	225	6.21 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

2018 1 record

2018 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
May 31, 2018 reported	Arctic Grayling	200	6.12 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

2016 1 record

2016 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
May 18, 2016 reported	Arctic Grayling	320	4.28 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

2014 1 record

2014 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 3, 2014 reported	Arctic Grayling	500	5.51 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

2013 1 record

2013 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
May 21, 2013 reported	Arctic Grayling	500	5.5 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

2012 1 record

2012 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
May 15, 2012 reported	Arctic Grayling	500	4.7 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

2011 1 record

2011 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 2, 2011 reported	Arctic Grayling	625	4.84 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

2010 1 record

2010 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
May 19, 2010 reported	Arctic Grayling	750	4 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

2009 1 record

2009 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
July 11, 2009 reported	Arctic Grayling	1,000	5 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

2008 2 records

2008 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
July 29, 2008 reported	Arctic Grayling	700	1 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
May 28, 2008 reported	Arctic Grayling	750	5.17 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

2003 1 record

2003 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
August 7, 2003 reported	Yellowstone Cutthroat Trout	500	2.15 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

2000 1 record

2000 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
September 6, 2000 reported	Arctic Grayling	2,452	2.5 in avg	Bozeman Fish Cultural Center	Montana Fish, Wildlife & Parks

1992 1 record

1992 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
July 29, 1992 reported	Arctic Grayling	680	0.9 in avg	Flathead Lake Salmon Hatchery	Montana Fish, Wildlife & Parks

1991 1 record

1991 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
September 12, 1991 reported	Arctic Grayling	680	1.2 in avg	Flathead Lake Salmon Hatchery	Montana Fish, Wildlife & Parks

1988 2 records

1988 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
September 1, 1988 reported	Arctic Grayling	2,818	3 in avg	Bozeman Fish Cultural Center	Montana Fish, Wildlife & Parks
August 31, 1988 reported	Yellowstone Cutthroat Trout	1,020	1.9000000000000001 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1985 1 record

1985 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
August 5, 1985 reported	Arctic Grayling	250	2 in avg	Bluewater Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1984 1 record

1984 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
August 6, 1984 reported	Yellowstone Cutthroat Trout	1,500	1 in avg	Washoe Park Trout Hatchery	Montana Fish, Wildlife & Parks

1980 1 record

1980 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
August 8, 1980 reported	Yellowstone Cutthroat Trout	1,500	2 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1979 1 record

1979 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
August 1, 1979 reported	Yellowstone Cutthroat Trout	225	2 in avg	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 2026-07-24. This check date is not a stocking date.

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