What species are stocked in Kolar Reservoir #4?

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

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Montana stocking report

Kolar Reservoir #4

30 records Last reported: April 27, 2000

Last reported stocking

The latest reported stocking at Kolar Reservoir #4 was on April 27, 2000: 500 Rainbow Trout (3.7 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: Judith Basin
Species on record: Rainbow Trout, Brook Trout
Records: 30 records
Official source: Montana Fish, Wildlife & Parks report

Location map

Kolar Reservoir #4 location context

Agency coordinates · access unverified

Kolar Reservoir #4Agency coordinates Ackley LakeAgency coordinates Kolar Reservoir 1Agency coordinates Kolar Reservoir 2Agency coordinates Dipping Vat 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 Kolar Reservoir #4

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

30 records from September 21, 1965 to April 27, 2000. 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.

2000 1 record

2000 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
April 27, 2000 reported	Rainbow Trout	500	3.7 in avg	Giant Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1999 1 record

1999 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 21, 1999 reported	Rainbow Trout	500	4.8 in avg	Giant Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1998 1 record

1998 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 11, 1998 reported	Rainbow Trout	500	4.3 in avg	Giant Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1997 1 record

1997 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 17, 1997 reported	Rainbow Trout	1,000	4.5 in avg	Giant Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1996 1 record

1996 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 4, 1996 reported	Rainbow Trout	500	4.2 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
May 11, 1995 reported	Rainbow Trout	500	3.8000000000000003 in avg	Giant Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1994 1 record

1994 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
May 3, 1994 reported	Rainbow Trout	500	4.4 in avg	Giant Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1993 1 record

1993 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
May 11, 1993 reported	Rainbow Trout	500	3.9 in avg	Giant Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1992 1 record

1992 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
April 15, 1992 reported	Rainbow Trout	500	4.5 in avg	Giant Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1991 1 record

1991 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
May 14, 1991 reported	Rainbow Trout	500	4.7 in avg	Giant Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1990 1 record

1990 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
April 19, 1990 reported	Rainbow Trout	500	4.1 in avg	Giant Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1989 1 record

1989 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 6, 1989 reported	Rainbow Trout	506	4.8 in avg	Giant Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1988 1 record

1988 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
April 14, 1988 reported	Rainbow Trout	500	4.5 in avg	Giant Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1987 1 record

1987 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
April 14, 1987 reported	Rainbow Trout	520	4.2 in avg	Giant Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1986 1 record

1986 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
May 21, 1986 reported	Rainbow Trout	500	6 in avg	Giant Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1985 1 record

1985 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
April 15, 1985 reported	Rainbow Trout	514	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
April 17, 1984 reported	Rainbow Trout	508	5 in avg	Giant Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1983 1 record

1983 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
May 2, 1983 reported	Rainbow Trout	519	4 in avg	Giant Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1982 1 record

1982 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
May 5, 1982 reported	Rainbow Trout	507	5 in avg	Giant Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1981 1 record

1981 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 30, 1981 reported	Rainbow Trout	504	6 in avg	Giant Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1979 1 record

1979 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 14, 1979 reported	Rainbow Trout	512	7 in avg	Giant Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1977 1 record

1977 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
April 6, 1977 reported	Rainbow Trout	1,100	6 in avg	Giant Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1976 1 record

1976 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
April 23, 1976 reported	Rainbow Trout	1,000	5 in avg	Giant Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1975 1 record

1975 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
May 28, 1975 reported	Rainbow Trout	1,020	5 in avg	Giant Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1974 1 record

1974 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
April 16, 1974 reported	Rainbow Trout	1,007	5 in avg	Giant Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1973 1 record

1973 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
May 2, 1973 reported	Rainbow Trout	1,060	4 in avg	Giant Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1970 1 record

1970 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 5, 1970 reported	Rainbow Trout	1,040	3 in avg	Giant Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1969 1 record

1969 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
May 26, 1969 reported	Rainbow Trout	1,012	4 in avg	Giant Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1967 1 record

1967 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
May 19, 1967 reported	Rainbow Trout	1,000	4 in avg	Giant Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1965 1 record

1965 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
September 21, 1965 reported	Brook Trout	1,000	5 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 2026-07-24. This check date is not a stocking date.

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