Lake Gertrude Fish Stocking
Montana · 1932–1934 on record
According to Montana fish & wildlife agency, Lake Gertrude was last stocked July 7, 1934 with Brook Trout. Lake Gertrude has 4 stocking records on file, spanning 1932–1934, with about 27,200 fish stocked over that period.
Nearby stocked waters
Other stocked waters near Lake Gertrude, freshest activity first.
Sundance Lake
5 mi2 species · 15 records
Last stocked August 2025
Kookoo Lake
5 mi1 species · 7 records
Last stocked August 2025
Black Canyon Lake
5 mi2 species · 13 records
Last stocked August 2025
Dude Lake
4 mi2 species · 11 records
Last stocked August 2023
Bowback Lake
5 mi1 species · 8 records
Last stocked July 2020
Basin Creek Lake, Lower
4 mi2 species · 3 records
Last stocked August 1997
By species
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| July 7, 1934 | Brook Trout | 5,600 | 3" | Montana fish & wildlife agency |
| July 1, 1934 | Brook Trout | 5,600 | 3" | Montana fish & wildlife agency |
| August 23, 1933 | Brook Trout | 10,000 | 2" | Montana fish & wildlife agency |
| July 13, 1932 | Brook Trout | 6,000 | 3" | Montana fish & wildlife agency |
Frequently asked
When was Lake Gertrude last stocked?
According to Montana fish & wildlife agency, Lake Gertrude was last stocked July 7, 1934 with Brook Trout.
What fish species are stocked in Lake Gertrude?
Lake Gertrude is stocked with Brook Trout.
How often is Lake Gertrude stocked?
Lake Gertrude has been stocked about 1 times a year — 4 recorded stockings between 1932 and 1934.
How many fish have been stocked in Lake Gertrude?
About 27,200 fish have been stocked in Lake Gertrude across 4 recorded events since 1932, per Montana fish & wildlife agency.
What size are the fish stocked in Lake Gertrude?
Fish stocked in Lake Gertrude average about 2.8 inches, based on the sizes the agency reported.