What species are stocked in Fossil Lake?

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

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Montana stocking report

Fossil Lake

18 records Last reported: July 24, 2017

Last reported stocking

The latest reported stocking at Fossil Lake was on July 24, 2017: 9,000 Yellowstone Cutthroat Trout (2.3000000000000003 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: Carbon
Species on record: Yellowstone Cutthroat Trout
Records: 18 records
Official source: Montana Fish, Wildlife & Parks report

Location map

Fossil Lake location context

Agency coordinates · access unverified

Fossil LakeAgency coordinates Greenough LakeAgency coordinates Wild Bill LakeAgency coordinates Cooney ReservoirAgency coordinates Big Butte 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 Fossil 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

18 records from July 29, 1967 to July 24, 2017. 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.

2017 1 record

2017 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
July 24, 2017 reported	Yellowstone Cutthroat Trout	9,000	2.3000000000000003 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

2014 1 record

2014 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
July 28, 2014 reported	Yellowstone Cutthroat Trout	10,000	2.5 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

2010 1 record

2010 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
July 20, 2010 reported	Yellowstone Cutthroat Trout	10,000	2.15 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

2007 1 record

2007 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
July 30, 2007 reported	Yellowstone Cutthroat Trout	10,000	2.25 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

2004 1 record

2004 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
August 5, 2004 reported	Yellowstone Cutthroat Trout	10,000	2.33 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

2001 1 record

2001 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
August 7, 2001 reported	Yellowstone Cutthroat Trout	10,000	2 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1998 1 record

1998 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
August 10, 1998 reported	Yellowstone Cutthroat Trout	10,000	1.8 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1995 1 record

1995 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
August 4, 1995 reported	Yellowstone Cutthroat Trout	10,000	2 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	10,000	1.9000000000000001 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1989 1 record

1989 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
August 7, 1989 reported	Yellowstone Cutthroat Trout	16,500	2 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1986 1 record

1986 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
July 29, 1986 reported	Yellowstone Cutthroat Trout	16,446	1 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1983 1 record

1983 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
August 2, 1983 reported	Yellowstone Cutthroat Trout	16,199	2 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1980 1 record

1980 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
August 7, 1980 reported	Yellowstone Cutthroat Trout	16,508	2 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1977 1 record

1977 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
July 23, 1977 reported	Yellowstone Cutthroat Trout	17,000	2 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1972 1 record

1972 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
August 9, 1972 reported	Yellowstone Cutthroat Trout	5,180	2 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks

1970 2 records

1970 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
September 25, 1970 reported	Yellowstone Cutthroat Trout	5,115	4 in avg	Yellowstone River Trout Hatchery	Montana Fish, Wildlife & Parks
September 16, 1970 reported	Yellowstone Cutthroat Trout	5,000	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
July 29, 1967 reported	Yellowstone Cutthroat Trout	11,000	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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