What species are stocked in Cook Reservoir 1?

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

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Montana stocking report

Cook Reservoir 1

19 records Last reported: June 16, 1997

Last reported stocking

The latest reported stocking at Cook Reservoir 1 was on June 16, 1997: 1,260 Rainbow Trout (4.2 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: Meagher
Species on record: Rainbow Trout, Yellowstone Cutthroat Trout
Records: 19 records
Official source: Montana Fish, Wildlife & Parks report

Location map

Cook Reservoir 1 location context

Agency coordinates · access unverified

Cook Reservoir 1Agency 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.

Before you go

Plan a trip to Cook Reservoir 1

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

19 records from May 5, 1966 to June 16, 1997. 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.

1997 1 record

1997 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 16, 1997 reported	Rainbow Trout	1,260	4.2 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1996 1 record

1996 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 12, 1996 reported	Rainbow Trout	1,210	4.1 in avg	Giant Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1995 1 record

1995 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 2, 1995 reported	Rainbow Trout	1,028	4.1 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1994 1 record

1994 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 15, 1994 reported	Rainbow Trout	1,017	4.2 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1993 1 record

1993 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 14, 1993 reported	Rainbow Trout	1,000	3.9 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1992 1 record

1992 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
May 26, 1992 reported	Rainbow Trout	1,022	3.9 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1991 1 record

1991 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 11, 1991 reported	Rainbow Trout	1,000	4.5 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1990 1 record

1990 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 15, 1990 reported	Rainbow Trout	1,015	4.4 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1989 1 record

1989 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 28, 1989 reported	Rainbow Trout	968	4.8 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1988 1 record

1988 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 6, 1988 reported	Rainbow Trout	1,000	4.8 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1987 1 record

1987 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 4, 1987 reported	Rainbow Trout	1,076	4.6000000000000005 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1986 1 record

1986 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 18, 1986 reported	Rainbow Trout	1,046	5 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1985 1 record

1985 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
May 14, 1985 reported	Rainbow Trout	1,006	4 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1984 1 record

1984 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 8, 1984 reported	Rainbow Trout	1,007	4 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1983 1 record

1983 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 2, 1983 reported	Rainbow Trout	1,015	4 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1982 1 record

1982 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
July 20, 1982 reported	Rainbow Trout	1,018	8 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1977 1 record

1977 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
September 14, 1977 reported	Yellowstone Cutthroat Trout	1,578	3 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1968 1 record

1968 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 18, 1968 reported	Rainbow Trout	1,500	5 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1966 1 record

1966 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
May 5, 1966 reported	Rainbow Trout	2,500	3 in avg	Big 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 2026-07-24. This check date is not a stocking date.

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