What species are stocked in Brimstone Lake?

On record: Westslope Cutthroat Trout, Brook Trout. Source: Montana Fish, Wildlife & Parks.

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Montana stocking report

Brimstone Lake

28 records Last reported: July 14, 2023

Last reported stocking

The latest reported stocking at Brimstone Lake was on July 14, 2023: 300 Westslope Cutthroat Trout (1.1400000000000001 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.

County: Flathead
Species on record: Westslope Cutthroat Trout, Brook Trout
Records: 28 records
Official source: Montana Fish, Wildlife & Parks report

Location map

Brimstone Lake location context

Agency coordinates · access unverified

Brimstone LakeAgency coordinates Beaver LakeAgency coordinates Little Beaver LakeAgency coordinates Snappys PondAgency coordinates Dollar LakeAgency 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 Brimstone 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.

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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 July 8, 1943 to July 14, 2023. 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.

2023 1 record

2023 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
July 14, 2023 reported	Westslope Cutthroat Trout	300	1.1400000000000001 in avg	Flathead Lake Salmon Hatchery	Montana Fish, Wildlife & Parks

2021 1 record

2021 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
August 19, 2021 reported	Westslope Cutthroat Trout	300	1.4000000000000001 in avg	Flathead Lake Salmon Hatchery	Montana Fish, Wildlife & Parks

2019 1 record

2019 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
August 5, 2019 reported	Westslope Cutthroat Trout	300	1.21 in avg	Flathead Lake Salmon Hatchery	Montana Fish, Wildlife & Parks

2017 1 record

2017 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
September 25, 2017 reported	Westslope Cutthroat Trout	300	2 in avg	Flathead Lake Salmon Hatchery	Montana Fish, Wildlife & Parks

2015 1 record

2015 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
September 2, 2015 reported	Westslope Cutthroat Trout	306	1.76 in avg	Murray Springs Trout Hatchery	Montana Fish, Wildlife & Parks

2013 1 record

2013 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
May 29, 2013 reported	Westslope Cutthroat Trout	326	5.6000000000000005 in avg	Murray Springs Trout Hatchery	Montana Fish, Wildlife & Parks

2011 1 record

2011 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 23, 2011 reported	Westslope Cutthroat Trout	328	8.35 in avg	Murray Springs Trout Hatchery	Montana Fish, Wildlife & Parks

2009 1 record

2009 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
May 26, 2009 reported	Westslope Cutthroat Trout	305	9.03 in avg	Murray Springs Trout Hatchery	Montana Fish, Wildlife & Parks

2007 1 record

2007 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
May 18, 2007 reported	Westslope Cutthroat Trout	319	8.120000000000001 in avg	Murray Springs Trout Hatchery	Montana Fish, Wildlife & Parks

2005 3 records

2005 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 13, 2005 reported	Westslope Cutthroat Trout	184	8.39 in avg	Murray Springs Trout Hatchery	Montana Fish, Wildlife & Parks
May 13, 2005 reported	Westslope Cutthroat Trout	75	8.57 in avg	Murray Springs Trout Hatchery	Montana Fish, Wildlife & Parks
May 13, 2005 reported	Westslope Cutthroat Trout	227	3.87 in avg	Murray Springs Trout Hatchery	Montana Fish, Wildlife & Parks

2003 1 record

2003 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 13, 2003 reported	Westslope Cutthroat Trout	368	3.87 in avg	Murray Springs Trout Hatchery	Montana Fish, Wildlife & Parks

2001 2 records

2001 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
May 7, 2001 reported	Westslope Cutthroat Trout	165	7.7 in avg	Murray Springs Trout Hatchery	Montana Fish, Wildlife & Parks
May 7, 2001 reported	Westslope Cutthroat Trout	167	3.8000000000000003 in avg	Murray Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1999 1 record

1999 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
May 12, 1999 reported	Westslope Cutthroat Trout	302	3.6 in avg	Murray Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1997 1 record

1997 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
May 12, 1997 reported	Westslope Cutthroat Trout	328	4.1 in avg	Murray Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1995 1 record

1995 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
May 11, 1995 reported	Westslope Cutthroat Trout	1,158	3.3000000000000003 in avg	Murray Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1993 1 record

1993 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
May 19, 1993 reported	Westslope Cutthroat Trout	998	3.2 in avg	Murray Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1989 1 record

1989 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 13, 1989 reported	Westslope Cutthroat Trout	1,061	3.6 in avg	Murray Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1987 1 record

1987 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
July 16, 1987 reported	Westslope Cutthroat Trout	1,207	5.8 in avg	Murray Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1986 1 record

1986 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 24, 1986 reported	Westslope Cutthroat Trout	1,000	6 in avg	Murray Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1984 1 record

1984 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
May 30, 1984 reported	Westslope Cutthroat Trout	1,000	5 in avg	Creston National Fish Hatchery	Montana Fish, Wildlife & Parks

1982 1 record

1982 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
July 21, 1982 reported	Westslope Cutthroat Trout	2,684	4 in avg	Creston National Fish Hatchery	Montana Fish, Wildlife & Parks

1980 1 record

1980 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
August 27, 1980 reported	Westslope Cutthroat Trout	1,000	5 in avg	Murray Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1978 1 record

1978 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
October 4, 1978 reported	Westslope Cutthroat Trout	2,000	2 in avg	Creston National Fish Hatchery	Montana Fish, Wildlife & Parks

1977 1 record

1977 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
August 3, 1977 reported	Westslope Cutthroat Trout	1,024	1 in avg	Flathead Lake Salmon Hatchery	Montana Fish, Wildlife & Parks

1943 1 record

1943 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
July 8, 1943 reported	Brook Trout	1,700	6 in avg	Libby	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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