Thompson River Fish Stocking
Montana · 1930–1989 on record
According to Montana fish & wildlife agency, Thompson River was last stocked June 19, 1989 with Brown Trout. Thompson River has 384 stocking records on file, spanning 1930–1989, with about 3,386,089 fish stocked over that period.
When Thompson River is stocked
Thompson River is typically stocked in summer, most often in July — 140 stocking events in that peak month.
Nearby stocked waters
Other stocked waters near Thompson River, freshest activity first.
Thompson Park Pond
8 mi1 species · 64 records
Last stocked May 2026
Deer Lake
6 mi1 species · 16 records
Last stocked August 2024
Tuffys Lake
6 mi1 species · 4 records
Last stocked August 2024
Outlaw Lake
3 mi1 species · 15 records
Last stocked August 2022
Arrowhead Lake
7 mi1 species · 18 records
Last stocked August 2022
Duckhead Lake
6 mi2 species · 14 records
Last stocked July 2022
By species
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| June 19, 1989 | Brown Trout | 25,420 | 4.1" | Montana fish & wildlife agency |
| June 19, 1989 | Brown Trout | 25,420 | 4.1" | Montana fish & wildlife agency |
| October 4, 1988 | Brown Trout | 5,580 | 3.4" | Montana fish & wildlife agency |
| October 4, 1988 | Brown Trout | 5,580 | 3.4" | Montana fish & wildlife agency |
| June 27, 1988 | Brown Trout | 25,077 | 5" | Montana fish & wildlife agency |
| April 28, 1988 | Brown Trout | 25,271 | 3.5" | Montana fish & wildlife agency |
| April 28, 1988 | Brown Trout | 25,271 | 3.5" | Montana fish & wildlife agency |
| July 8, 1982 | Rainbow Trout | 1,001 | 11" | Montana fish & wildlife agency |
Show 42 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| July 8, 1982 | Rainbow Trout | 1,001 | 11" | Montana fish & wildlife agency |
| July 15, 1981 | Rainbow Trout | 1,449 | 11" | Montana fish & wildlife agency |
| July 15, 1981 | Rainbow Trout | 1,449 | 11" | Montana fish & wildlife agency |
| July 1, 1980 | Rainbow Trout | 1,060 | 10" | Montana fish & wildlife agency |
| July 1, 1980 | Rainbow Trout | 1,060 | 10" | Montana fish & wildlife agency |
| June 26, 1979 | Rainbow Trout | 1,007 | 10" | Montana fish & wildlife agency |
| June 26, 1979 | Rainbow Trout | 1,007 | 10" | Montana fish & wildlife agency |
| July 7, 1978 | Rainbow Trout | 1,000 | 11" | Montana fish & wildlife agency |
| July 7, 1978 | Rainbow Trout | 1,000 | 11" | Montana fish & wildlife agency |
| May 19, 1977 | Rainbow Trout | 1,002 | 9" | Montana fish & wildlife agency |
| May 19, 1977 | Rainbow Trout | 1,002 | 9" | Montana fish & wildlife agency |
| June 23, 1976 | Rainbow Trout | 1,020 | 11" | Montana fish & wildlife agency |
| June 23, 1976 | Rainbow Trout | 1,020 | 11" | Montana fish & wildlife agency |
| July 10, 1975 | Rainbow Trout | 1,000 | 11" | Montana fish & wildlife agency |
| July 23, 1974 | Rainbow Trout | 1,000 | 11" | Montana fish & wildlife agency |
| July 23, 1974 | Rainbow Trout | 1,000 | 11" | Montana fish & wildlife agency |
| July 24, 1973 | Rainbow Trout | 1,392 | 11" | Montana fish & wildlife agency |
| July 12, 1973 | Rainbow Trout | 1,532 | 11" | Montana fish & wildlife agency |
| July 12, 1973 | Rainbow Trout | 1,532 | 11" | Montana fish & wildlife agency |
| June 22, 1973 | Rainbow Trout | 1,122 | 10" | Montana fish & wildlife agency |
| June 22, 1973 | Rainbow Trout | 500 | 11" | Montana fish & wildlife agency |
| June 22, 1973 | Rainbow Trout | 1,122 | 10" | Montana fish & wildlife agency |
| June 22, 1973 | Rainbow Trout | 500 | 11" | Montana fish & wildlife agency |
| October 10, 1972 | Rainbow Trout | 3,000 | 7" | Montana fish & wildlife agency |
| October 10, 1972 | Rainbow Trout | 3,000 | 7" | Montana fish & wildlife agency |
| August 9, 1972 | Rainbow Trout | 2,653 | 10" | Montana fish & wildlife agency |
| August 1, 1972 | Rainbow Trout | 3,272 | 10" | Montana fish & wildlife agency |
| August 1, 1972 | Rainbow Trout | 3,272 | 10" | Montana fish & wildlife agency |
| July 26, 1972 | Rainbow Trout | 2,952 | 10" | Montana fish & wildlife agency |
| July 26, 1972 | Rainbow Trout | 2,952 | 10" | Montana fish & wildlife agency |
| August 11, 1971 | Rainbow Trout | 2,410 | 9" | Montana fish & wildlife agency |
| August 11, 1971 | Rainbow Trout | 2,410 | 9" | Montana fish & wildlife agency |
| July 22, 1971 | Rainbow Trout | 2,410 | 10" | Montana fish & wildlife agency |
| July 14, 1971 | Rainbow Trout | 2,406 | 10" | Montana fish & wildlife agency |
| July 14, 1971 | Rainbow Trout | 2,406 | 10" | Montana fish & wildlife agency |
| August 11, 1970 | Rainbow Trout | 2,145 | 10" | Montana fish & wildlife agency |
| August 11, 1970 | Rainbow Trout | 2,145 | 10" | Montana fish & wildlife agency |
| July 22, 1970 | Rainbow Trout | 2,270 | 10" | Montana fish & wildlife agency |
| July 22, 1970 | Rainbow Trout | 2,270 | 10" | Montana fish & wildlife agency |
| July 9, 1970 | Rainbow Trout | 2,585 | 10" | Montana fish & wildlife agency |
| July 9, 1970 | Rainbow Trout | 2,585 | 10" | Montana fish & wildlife agency |
| July 24, 1969 | Rainbow Trout | 2,949 | 10" | Montana fish & wildlife agency |
Showing 50 of 384 stocking records.
Frequently asked
When was Thompson River last stocked?
According to Montana fish & wildlife agency, Thompson River was last stocked June 19, 1989 with Brown Trout.
What fish species are stocked in Thompson River?
Thompson River is stocked with Brown Trout, Rainbow Trout, Cutthroat Trout, and Brook Trout.
What time of year is Thompson River stocked?
Thompson River is typically stocked in summer, most often in July.
How often is Thompson River stocked?
Thompson River has been stocked about 6 times a year — 384 recorded stockings between 1930 and 1989.
How many fish have been stocked in Thompson River?
About 3,386,089 fish have been stocked in Thompson River across 384 recorded events since 1930, per Montana fish & wildlife agency.
What size are the fish stocked in Thompson River?
Fish stocked in Thompson River average about 5.7 inches, based on the sizes the agency reported.