What species are stocked in Castle Creek?

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

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Montana stocking report

Castle Creek

28 records Last reported: May 29, 1975

Last reported stocking

The latest reported stocking at Castle Creek was on May 29, 1975: 3,042 Brook Trout (3 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: Fergus, Stillwater, Sweet Grass
Species on record: Brook Trout, Rainbow Trout, Cutthroat Trout, Brown Trout
Records: 28 records
Official source: Montana Fish, Wildlife & Parks report

Location map

Castle Creek location context

Agency coordinates · access unverified

Castle CreekAgency coordinates Holgate ReservoirAgency coordinates Lower Frog PondAgency coordinates Upper Frog PondAgency coordinates Olsen 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.

Check the exact water: This page groups records with the same name across 3 counties. They may describe different waters or reaches; the map does not identify all of them.

Before you go

Plan a trip to Castle Creek

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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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 August 6, 1928 to May 29, 1975. 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.

1975 1 record

1975 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
May 29, 1975 reported	Brook Trout	3,042	3 in avg	Washoe Park Trout Hatchery	Montana Fish, Wildlife & Parks

1967 1 record

1967 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
July 17, 1967 reported	Rainbow Trout	510	10 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 23, 1966 reported	Rainbow Trout	520	9 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1965 1 record

1965 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
July 16, 1965 reported	Rainbow Trout	780	10 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1964 1 record

1964 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
September 22, 1964 reported	Rainbow Trout	680	11 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1953 1 record

1953 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
July 16, 1953 reported	Rainbow Trout	1,920	4 in avg	Bluewater Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1951 1 record

1951 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
September 13, 1951 reported	Rainbow Trout	1,833	3 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1948 1 record

1948 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 29, 1948 reported	Brook Trout	2,500	4 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1946 2 records

1946 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
July 17, 1946 reported	Brook Trout	1,408	4 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks
April 20, 1946 reported	Brook Trout	720	3 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1944 2 records

1944 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
August 4, 1944 reported	Brook Trout	2,000	3 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks
June 4, 1944 reported	Rainbow Trout	18,000	4 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1943 2 records

1943 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
September 22, 1943 reported	Cutthroat Trout	10,000	1 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
August 16, 1943 reported	Brook Trout	6,500	3 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1942 1 record

1942 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
September 17, 1942 reported	Cutthroat Trout	20,000		Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1941 2 records

1941 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
July 2, 1941 reported	Rainbow Trout	15,000		Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks
June 3, 1941 reported	Brook Trout	16,000	2 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1940 1 record

1940 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
August 7, 1940 reported	Cutthroat Trout	10,000		Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1934 1 record

1934 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
August 13, 1934 reported	Brook Trout	2,000	4 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1933 1 record

1933 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
April 25, 1933 reported	Brown Trout	70,000		Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1932 1 record

1932 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
September 12, 1932 reported	Cutthroat Trout	25,000		Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1930 1 record

1930 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
August 16, 1930 reported	Cutthroat Trout	8,000		Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1929 2 records

1929 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
August 26, 1929 reported	Cutthroat Trout	27,200		Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks
August 20, 1929 reported	Cutthroat Trout	45,000		Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1928 4 records

1928 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
August 27, 1928 reported	Cutthroat Trout	50,000		Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks
August 25, 1928 reported	Cutthroat Trout	6,000		Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks
August 22, 1928 reported	Cutthroat Trout	6,400		Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks
August 6, 1928 reported	Cutthroat Trout	7,500	3 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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