Upper Thompson Lake Fish Stocking
Montana · 1936–2024 on record
According to Montana fish & wildlife agency, Upper Thompson Lake was last stocked June 18, 2024 with Rainbow Trout. Upper Thompson Lake has 35 stocking records on file, spanning 1936–2024, with about 448,946 fish stocked over that period.
When Upper Thompson Lake is stocked
Upper Thompson Lake is typically stocked in spring, most often in May — 17 stocking events in that peak month.
Nearby stocked waters
Other stocked waters near Upper Thompson Lake, freshest activity first.
Lower Thompson Lake
5 mi6 species · 160 records
Last stocked June 2026
Cibid Lake
3 mi2 species · 47 records
Last stocked June 2026
Leon Lake
3 mi5 species · 75 records
Last stocked June 2026
Middle Thompson Lake
3 mi6 species · 153 records
Last stocked June 2025
Cad Lake
2 mi2 species · 37 records
Last stocked September 2024
Topless Lake
3 mi3 species · 46 records
Last stocked September 2024
By species
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| June 18, 2024 | Rainbow Trout | 20,020 | 3.25" | Montana fish & wildlife agency |
| June 23, 2021 | Rainbow Trout | 20,736 | 3.79" | Montana fish & wildlife agency |
| May 10, 2018 | Rainbow Trout | 20,328 | 3.66" | Montana fish & wildlife agency |
| May 14, 2015 | Rainbow Trout | 20,760 | 3.92" | Montana fish & wildlife agency |
| September 25, 2012 | Rainbow Trout | 5,500 | 5.49" | Montana fish & wildlife agency |
| October 21, 2010 | Rainbow Trout | 14,178 | 3.27" | Montana fish & wildlife agency |
| May 5, 1997 | Rainbow Trout | 506 | 6.5" | Montana fish & wildlife agency |
| May 21, 1996 | Rainbow Trout | 526 | 8.3" | Montana fish & wildlife agency |
Show 27 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| May 15, 1995 | Rainbow Trout | 604 | 6.6" | Montana fish & wildlife agency |
| May 24, 1994 | Rainbow Trout | 544 | 6.9" | Montana fish & wildlife agency |
| June 11, 1992 | Rainbow Trout | 207 | 19.7" | Montana fish & wildlife agency |
| April 30, 1992 | Rainbow Trout | 200 | 11.8" | Montana fish & wildlife agency |
| May 4, 1983 | Rainbow Trout | 3,998 | 6" | Montana fish & wildlife agency |
| June 7, 1982 | Rainbow Trout | 5,018 | 5" | Montana fish & wildlife agency |
| May 7, 1981 | Cutthroat Trout | 4,995 | 4" | Montana fish & wildlife agency |
| May 1, 1980 | Cutthroat Trout | 5,000 | 4" | Montana fish & wildlife agency |
| September 17, 1977 | Cutthroat Trout | 1,000 | 2" | Montana fish & wildlife agency |
| April 28, 1977 | Cutthroat Trout | 5,002 | 4" | Montana fish & wildlife agency |
| May 6, 1976 | Cutthroat Trout | 4,989 | 4" | Montana fish & wildlife agency |
| April 17, 1969 | Cutthroat Trout | 5,040 | 4" | Montana fish & wildlife agency |
| April 15, 1963 | Kokanee | 103,408 | 1" | Montana fish & wildlife agency |
| April 6, 1953 | Kokanee | 50,752 | 0 | Montana fish & wildlife agency |
| May 26, 1952 | Rainbow Trout | 3,000 | 3" | Montana fish & wildlife agency |
| May 5, 1952 | Kokanee | 90,135 | 0 | Montana fish & wildlife agency |
| May 23, 1951 | Brook Trout | 400 | 7" | Montana fish & wildlife agency |
| May 13, 1948 | Brook Trout | 2,000 | 5" | Montana fish & wildlife agency |
| August 19, 1946 | Brook Trout | 1,200 | 5" | Montana fish & wildlife agency |
| April 22, 1946 | Brook Trout | 2,000 | 5" | Montana fish & wildlife agency |
| April 22, 1946 | Brook Trout | 2,000 | 5" | Montana fish & wildlife agency |
| June 15, 1944 | Kokanee | 22,500 | 0 | Montana fish & wildlife agency |
| May 12, 1943 | Brook Trout | 2,000 | 5" | Montana fish & wildlife agency |
| May 6, 1943 | Brook Trout | 2,000 | 6" | Montana fish & wildlife agency |
| May 15, 1942 | Brook Trout | 2,200 | 4" | Montana fish & wildlife agency |
| July 25, 1941 | Cutthroat Trout | 1,200 | 5" | Montana fish & wildlife agency |
| June 21, 1936 | Cutthroat Trout | 25,000 | 3" | Montana fish & wildlife agency |
Frequently asked
When was Upper Thompson Lake last stocked?
According to Montana fish & wildlife agency, Upper Thompson Lake was last stocked June 18, 2024 with Rainbow Trout.
What fish species are stocked in Upper Thompson Lake?
Upper Thompson Lake is stocked with Rainbow Trout, Cutthroat Trout, Kokanee, and Brook Trout.
What time of year is Upper Thompson Lake stocked?
Upper Thompson Lake is typically stocked in spring, most often in May.
How often is Upper Thompson Lake stocked?
Upper Thompson Lake is stocked intermittently — 35 recorded stockings between 1936 and 2024.
How many fish have been stocked in Upper Thompson Lake?
About 448,946 fish have been stocked in Upper Thompson Lake across 35 recorded events since 1936, per Montana fish & wildlife agency.
What size are the fish stocked in Upper Thompson Lake?
Fish stocked in Upper Thompson Lake average about 5.3 inches, based on the sizes the agency reported.