What species are stocked in West Boulder River?

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

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Montana stocking report

West Boulder River

75 records Last reported: April 18, 2007

Last reported stocking

The latest reported stocking at West Boulder River was on April 18, 2007: 13 Yellowstone Cutthroat Trout (16 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: Sweet Grass
Species on record: Yellowstone Cutthroat Trout, Rainbow Trout, Brown Trout, Cutthroat Trout
Records: 75 records
Official source: Montana Fish, Wildlife & Parks report

Location map

West Boulder River location context

Agency coordinates · access unverified

West Boulder RiverAgency coordinates Picket Pin Lake, NorthAgency coordinates Blue LakeAgency coordinates Rainbow Lake #2Agency coordinates Rainbow Lake #3Agency 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 West Boulder River

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.

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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

75 records from August 6, 1928 to April 18, 2007. 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.

2007 2 records

2007 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
April 18, 2007 reported	Yellowstone Cutthroat Trout	13	16 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
April 18, 2007 reported	Yellowstone Cutthroat Trout	12	24 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1970 1 record

1970 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
August 11, 1970 reported	Yellowstone Cutthroat Trout	6,600	4 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1969 1 record

1969 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
July 28, 1969 reported	Rainbow Trout	1,780	10 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1968 1 record

1968 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
July 15, 1968 reported	Rainbow Trout	2,570	9 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1967 1 record

1967 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
July 31, 1967 reported	Rainbow Trout	2,640	9 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
July 7, 1966 reported	Rainbow Trout	2,652	8 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1965 2 records

1965 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
May 26, 1965 reported	Rainbow Trout	572	12 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
May 18, 1965 reported	Rainbow Trout	572	12 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1964 2 records

1964 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
July 28, 1964 reported	Rainbow Trout	500	10 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
July 28, 1964 reported	Rainbow Trout	500	10 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1963 3 records

1963 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
August 6, 1963 reported	Rainbow Trout	6,000	5 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
July 9, 1963 reported	Rainbow Trout	11,750	4 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
July 8, 1963 reported	Rainbow Trout	11,750	4 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1954 5 records

1954 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
August 17, 1954 reported	Rainbow Trout	800	5 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
August 12, 1954 reported	Rainbow Trout	2,000	5 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
August 11, 1954 reported	Rainbow Trout	2,000	5 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
July 26, 1954 reported	Rainbow Trout	1,200	6 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
July 23, 1954 reported	Rainbow Trout	1,200	6 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1953 2 records

1953 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
July 28, 1953 reported	Brown Trout	1,500	6 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
July 23, 1953 reported	Rainbow Trout	1,500	6 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1952 2 records

1952 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
May 6, 1952 reported	Brown Trout	6,200	4 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
April 9, 1952 reported	Brown Trout	4,200	4 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1951 3 records

1951 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
May 5, 1951 reported	Brown Trout	3,780	4 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
May 1, 1951 reported	Brown Trout	3,360	4 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
May 1, 1951 reported	Brown Trout	3,360	4 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1950 2 records

1950 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
April 14, 1950 reported	Brown Trout	1,760	5 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
April 14, 1950 reported	Brown Trout	1,760	5 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1949 2 records

1949 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
August 29, 1949 reported	Rainbow Trout	29,460	2 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
March 22, 1949 reported	Rainbow Trout	10,860	2 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1948 4 records

1948 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
September 21, 1948 reported	Rainbow Trout	39,040	2 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
August 21, 1948 reported	Rainbow Trout	34,080	1 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
July 20, 1948 reported	Cutthroat Trout	12,672	99 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
April 19, 1948 reported	Rainbow Trout	7,750		Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1947 3 records

1947 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 16, 1947 reported	Cutthroat Trout	20,300	99 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
April 1, 1947 reported	Rainbow Trout	7,000	3 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
March 14, 1947 reported	Rainbow Trout	7,000	3 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1946 5 records

1946 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
September 26, 1946 reported	Cutthroat Trout	11,200	2 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
August 30, 1946 reported	Rainbow Trout	24,720	2 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
July 29, 1946 reported	Cutthroat Trout	13,920	99 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
April 16, 1946 reported	Rainbow Trout	215	7 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
April 5, 1946 reported	Brown Trout	56,588	1 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1945 1 record

1945 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
July 10, 1945 reported	Rainbow Trout	650		Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1943 3 records

1943 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
August 16, 1943 reported	Cutthroat Trout	14,000	1 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
August 14, 1943 reported	Brown Trout	4,000	3 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
May 27, 1943 reported	Rainbow Trout	3,500	5 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1942 3 records

1942 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
October 6, 1942 reported	Rainbow Trout	32,000	2 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
June 9, 1942 reported	Brown Trout	20,000	3 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
April 25, 1942 reported	Brown Trout	32,000		Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1941 3 records

1941 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
May 24, 1941 reported	Rainbow Trout	20,000	2 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
April 9, 1941 reported	Brown Trout	21,000	1 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
April 9, 1941 reported	Brown Trout	21,000	1 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1940 3 records

1940 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
September 13, 1940 reported	Cutthroat Trout	30,000	2 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
August 10, 1940 reported	Rainbow Trout	24,000	2 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
March 30, 1940 reported	Brown Trout	33,750	1 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1939 1 record

1939 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
September 29, 1939 reported	Rainbow Trout	13,000	3 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1938 1 record

1938 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
September 12, 1938 reported	Rainbow Trout	13,700	3 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1937 3 records

1937 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
October 6, 1937 reported	Rainbow Trout	10,000	3 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
May 8, 1937 reported	Brown Trout	32,600	1 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
May 7, 1937 reported	Brown Trout	32,600	1 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1935 2 records

1935 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
August 22, 1935 reported	Rainbow Trout	50,000		Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
May 23, 1935 reported	Brown Trout	65,000	2 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1934 3 records

1934 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
September 15, 1934 reported	Rainbow Trout	5,500	6 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
September 8, 1934 reported	Rainbow Trout	2,000	3 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
April 30, 1934 reported	Brown Trout	75,000		Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1933 4 records

1933 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
October 3, 1933 reported	Cutthroat Trout	16,800		Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
October 2, 1933 reported	Rainbow Trout	9,680	2 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
July 19, 1933 reported	Brown Trout	8,300	2 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
April 25, 1933 reported	Brown Trout	70,000		Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1930 3 records

1930 stocking records and official sources
Date / status	Species	Fish	Hatchery	Source
September 26, 1930 reported	Cutthroat Trout	80,000	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
September 25, 1930 reported	Cutthroat Trout	50,000	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
September 20, 1930 reported	Cutthroat Trout	60,000	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1929 1 record

1929 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
September 25, 1929 reported	Cutthroat Trout	80,000		Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1928 2 records

1928 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
August 9, 1928 reported	Cutthroat Trout	30,000	2 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
August 6, 1928 reported	Rainbow Trout	50,000	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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