Throop Lake Fish Stocking
Montana · 1937–2022 on record
According to Montana fish & wildlife agency, Throop Lake was last stocked September 24, 2022 with Arctic Grayling. Throop Lake has 6 stocking records on file, spanning 1937–2022, with about 25,867 fish stocked over that period.
When Throop Lake is stocked
Nearby stocked waters
Other stocked waters near Throop Lake, freshest activity first.
Golden Lake
2 mi1 species · 7 records
Last stocked August 2025
Triangle Lake
3 mi1 species · 22 records
Last stocked August 2025
Spaghetti Lake
3 mi1 species · 7 records
Last stocked September 2022
Mountain Goat Lake
4 mi1 species · 13 records
Last stocked July 2022
Fritter Lake
4 mi1 species · 6 records
Last stocked July 2019
Varve Lake
5 mi1 species · 6 records
Last stocked July 2018
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| September 24, 2022 | Arctic Grayling | 750 | 2.18" | Montana fish & wildlife agency |
| August 12, 1996 | Cutthroat Trout | 590 | 2.3" | Montana fish & wildlife agency |
| August 3, 1988 | Cutthroat Trout | 1,168 | 2.1" | Montana fish & wildlife agency |
| August 7, 1980 | Cutthroat Trout | 1,179 | 2" | Montana fish & wildlife agency |
| July 20, 1955 | Arctic Grayling | 15,000 | 0 | Montana fish & wildlife agency |
| August 6, 1937 | Brook Trout | 7,180 | 2" | Montana fish & wildlife agency |
Frequently asked
When was Throop Lake last stocked?
According to Montana fish & wildlife agency, Throop Lake was last stocked September 24, 2022 with Arctic Grayling.
What fish species are stocked in Throop Lake?
Throop Lake is stocked with Arctic Grayling, Cutthroat Trout, and Brook Trout.
How often is Throop Lake stocked?
Throop Lake is stocked intermittently — 6 recorded stockings between 1937 and 2022.
How many fish have been stocked in Throop Lake?
About 25,867 fish have been stocked in Throop Lake across 6 recorded events since 1937, per Montana fish & wildlife agency.
What size are the fish stocked in Throop Lake?
Fish stocked in Throop Lake average about 2.1 inches, based on the sizes the agency reported.