Lake Trout Stocking in Montana
18 Montana waters are on record as stocked with Lake Trout, per Montana fish & wildlife agency (1940–1992) — about 3,215,598 fish in total. Ranked by stocking activity, each with a full dated history. Lake Trout is typically stocked year-round, most often in September.
About Lake Trout
The largest char in North America, stocked in deep, cold lakes and reservoirs where it can grow for decades.
Full Lake Trout profile →When Lake Trout is stocked in Montana
Fort Peck Lake
16 species · 1842 records
Last stocked July 2025
Missouri River
19 species · 1417 records
Last stocked October 2010
Echo Lake
10 species · 431 records
Last stocked September 2025
Bull Lake
6 species · 361 records
Last stocked May 2026
Mcgregor Lake
7 species · 334 records
Last stocked May 2026
Whitefish Lake
8 species · 261 records
Last stocked April 2021
Bighorn Lake
9 species · 243 records
Last stocked June 2025
Spar Lake
7 species · 135 records
Last stocked June 2026
Tiber Reservoir
9 species · 125 records
Last stocked May 2025
Lake Blaine
11 species · 102 records
Last stocked June 2014
Tally Lake
5 species · 78 records
Last stocked October 1986
Horseshoe Lake
10 species · 69 records
Last stocked April 2024
Upper Whitefish Lake
4 species · 61 records
Last stocked June 2021
St. Mary Lake
5 species · 51 records
Last stocked June 2004
St Marys Lake
3 species · 48 records
Last stocked May 2008
Silver Lake
8 species · 42 records
Last stocked July 2012
Kersey Lake
3 species · 11 records
Last stocked July 2014
Sailor Lake
3 species · 5 records
Last stocked September 1987
Frequently asked
Where is Lake Trout stocked in Montana?
Lake Trout is stocked in 18 Montana waters — all source-cited to Montana fish & wildlife agency.
When is Lake Trout stocked in Montana?
Lake Trout is typically stocked year-round, most often in September in Montana.
How many Lake Trout are stocked in Montana?
About 3,215,598 Lake Trout have been stocked across Montana since 1940, per Montana fish & wildlife agency.
What size Lake Trout are stocked?
Stocked Lake Trout in Montana average about 3.8 inches, based on agency-reported sizes.
Other species in Montana
18 Lake Trout waters · Montana state stocking data.