What species are stocked in Zimmer Lake?

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

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Montana stocking report

Zimmer Lake

11 records Last reported: July 29, 2024

Last reported stocking

The latest reported stocking at Zimmer Lake was on July 29, 2024: 2,600 Yellowstone Cutthroat Trout (2.32 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: Park
Species on record: Yellowstone Cutthroat Trout, Cutthroat Trout, Brook Trout
Records: 11 records
Official source: Montana Fish, Wildlife & Parks report

Location map

Zimmer Lake location context

Agency coordinates · access unverified

Zimmer LakeAgency coordinates Dailey LakeAgency coordinates Sacajawea Park LagoonAgency coordinates Corner LakeAgency coordinates Basin 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 Zimmer 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

11 records from July 25, 1936 to July 29, 2024. 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.

2024 1 record

2024 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
July 29, 2024 reported	Yellowstone Cutthroat Trout	2,600	2.32 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

2016 1 record

2016 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
July 20, 2016 reported	Yellowstone Cutthroat Trout	2,600	2.4 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

2008 1 record

2008 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
July 22, 2008 reported	Yellowstone Cutthroat Trout	2,600	2.35 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

2000 1 record

2000 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
August 8, 2000 reported	Yellowstone Cutthroat Trout	2,600	2.1 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1992 1 record

1992 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
July 28, 1992 reported	Yellowstone Cutthroat Trout	2,600	1.9000000000000001 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1984 1 record

1984 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
August 18, 1984 reported	Yellowstone Cutthroat Trout	2,600	2 in avg	Washoe Park Trout Hatchery	Montana Fish, Wildlife & Parks

1976 1 record

1976 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
August 10, 1976 reported	Yellowstone Cutthroat Trout	4,450	2 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
August 1, 1968 reported	Yellowstone Cutthroat Trout	3,010	3 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1967 1 record

1967 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
August 4, 1967 reported	Yellowstone Cutthroat Trout	1,000	3 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1959 1 record

1959 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
August 5, 1959 reported	Cutthroat Trout	2,110	2 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1936 1 record

1936 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
July 25, 1936 reported	Brook Trout	12,517		Unknown	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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