Fossil Lake Fish Stocking
Montana · 1967–2017 on record
According to Montana fish & wildlife agency, Fossil Lake was last stocked July 24, 2017 with Cutthroat Trout. Fossil Lake has 18 stocking records on file, spanning 1967–2017, with about 197,948 fish stocked over that period.
When Fossil Lake is stocked
Fossil Lake is typically stocked in summer, most often in July — 8 stocking events in that peak month.
Nearby stocked waters
Other stocked waters near Fossil Lake, freshest activity first.
Basin Lake
1 mi2 species · 9 records
Last stocked October 2025
Lake Of The Winds
2 mi2 species · 8 records
Last stocked August 2025
Stash Lake
2 mi1 species · 6 records
Last stocked August 2023
Nymph Lake
2 mi2 species · 3 records
Last stocked September 2022
Gallery Lake
2 mi2 species · 4 records
Last stocked September 2022
Lake Of The Clouds
1 mi1 species · 9 records
Last stocked July 2020
By species
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| July 24, 2017 | Cutthroat Trout | 9,000 | 2.3" | Montana fish & wildlife agency |
| July 28, 2014 | Cutthroat Trout | 10,000 | 2.5" | Montana fish & wildlife agency |
| July 20, 2010 | Cutthroat Trout | 10,000 | 2.15" | Montana fish & wildlife agency |
| July 30, 2007 | Cutthroat Trout | 10,000 | 2.25" | Montana fish & wildlife agency |
| August 5, 2004 | Cutthroat Trout | 10,000 | 2.33" | Montana fish & wildlife agency |
| August 7, 2001 | Cutthroat Trout | 10,000 | 2" | Montana fish & wildlife agency |
| August 10, 1998 | Cutthroat Trout | 10,000 | 1.8" | Montana fish & wildlife agency |
| August 4, 1995 | Cutthroat Trout | 10,000 | 2" | Montana fish & wildlife agency |
Show 10 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| July 28, 1992 | Cutthroat Trout | 10,000 | 1.9" | Montana fish & wildlife agency |
| August 7, 1989 | Cutthroat Trout | 16,500 | 2" | Montana fish & wildlife agency |
| July 29, 1986 | Cutthroat Trout | 16,446 | 1" | Montana fish & wildlife agency |
| August 2, 1983 | Cutthroat Trout | 16,199 | 2" | Montana fish & wildlife agency |
| August 7, 1980 | Cutthroat Trout | 16,508 | 2" | Montana fish & wildlife agency |
| July 23, 1977 | Cutthroat Trout | 17,000 | 2" | Montana fish & wildlife agency |
| August 9, 1972 | Cutthroat Trout | 5,180 | 2" | Montana fish & wildlife agency |
| September 25, 1970 | Cutthroat Trout | 5,115 | 4" | Montana fish & wildlife agency |
| September 16, 1970 | Cutthroat Trout | 5,000 | 3" | Montana fish & wildlife agency |
| July 29, 1967 | Cutthroat Trout | 11,000 | 2" | Montana fish & wildlife agency |
Frequently asked
When was Fossil Lake last stocked?
According to Montana fish & wildlife agency, Fossil Lake was last stocked July 24, 2017 with Cutthroat Trout.
What fish species are stocked in Fossil Lake?
Fossil Lake is stocked with Cutthroat Trout.
What time of year is Fossil Lake stocked?
Fossil Lake is typically stocked in summer, most often in July.
How often is Fossil Lake stocked?
Fossil Lake is stocked intermittently — 18 recorded stockings between 1967 and 2017.
How many fish have been stocked in Fossil Lake?
About 197,948 fish have been stocked in Fossil Lake across 18 recorded events since 1967, per Montana fish & wildlife agency.
What size are the fish stocked in Fossil Lake?
Fish stocked in Fossil Lake average about 2.2 inches, based on the sizes the agency reported.