Diamond Lake Fish Stocking
Montana · 1962–2024 on record
According to Montana fish & wildlife agency, Diamond Lake was last stocked August 6, 2024 with Cutthroat Trout. Diamond Lake has 33 stocking records on file, spanning 1962–2024, with about 57,913 fish stocked over that period.
When Diamond Lake is stocked
Diamond Lake is typically stocked in summer, most often in August — 21 stocking events in that peak month.
Nearby stocked waters
Other stocked waters near Diamond Lake, freshest activity first.
Browns Lake
2 mi5 species · 286 records
Last stocked June 2026
Maddie Lake
8 mi2 species · 5 records
Last stocked June 2025
Geary Pond
5 mi2 species · 23 records
Last stocked June 2019
Big Creek
9 mi6 species · 237 records
Last stocked August 1995
North Fork Blackfoot River
6 mi2 species · 71 records
Last stocked June 1992
Nevada Creek
3 mi3 species · 56 records
Last stocked August 1990
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| August 6, 2024 | Cutthroat Trout | 2,000 | 1.5" | Montana fish & wildlife agency |
| July 27, 2022 | Cutthroat Trout | 2,000 | 1.69" | Montana fish & wildlife agency |
| July 27, 2022 | Cutthroat Trout | 2,000 | 1.69" | Montana fish & wildlife agency |
| July 13, 2021 | Cutthroat Trout | 2,000 | 1.4" | Montana fish & wildlife agency |
| July 24, 2018 | Cutthroat Trout | 2,000 | 1.89" | Montana fish & wildlife agency |
| July 29, 2015 | Cutthroat Trout | 2,000 | 1.76" | Montana fish & wildlife agency |
| August 8, 2012 | Cutthroat Trout | 2,000 | 1" | Montana fish & wildlife agency |
| August 10, 2011 | Cutthroat Trout | 2,000 | 1.8" | Montana fish & wildlife agency |
Show 25 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| August 7, 2009 | Cutthroat Trout | 1,000 | 1" | Montana fish & wildlife agency |
| August 1, 2007 | Cutthroat Trout | 2,000 | 1.31" | Montana fish & wildlife agency |
| July 26, 2006 | Cutthroat Trout | 2,000 | 1.3" | Montana fish & wildlife agency |
| August 7, 2003 | Cutthroat Trout | 2,000 | 2.15" | Montana fish & wildlife agency |
| July 30, 2003 | Cutthroat Trout | 2,118 | 1.5" | Montana fish & wildlife agency |
| July 24, 2000 | Cutthroat Trout | 1,989 | 1.5" | Montana fish & wildlife agency |
| August 3, 1999 | Cutthroat Trout | 2,000 | 2.1" | Montana fish & wildlife agency |
| July 29, 1997 | Cutthroat Trout | 2,058 | 1.6" | Montana fish & wildlife agency |
| July 20, 1995 | Cutthroat Trout | 2,000 | 1.9" | Montana fish & wildlife agency |
| August 24, 1994 | Cutthroat Trout | 2,463 | 1.4" | Montana fish & wildlife agency |
| August 19, 1991 | Cutthroat Trout | 2,000 | 1.1" | Montana fish & wildlife agency |
| August 6, 1991 | Cutthroat Trout | 2,000 | 2" | Montana fish & wildlife agency |
| August 22, 1987 | Cutthroat Trout | 2,024 | 1.8" | Montana fish & wildlife agency |
| August 12, 1987 | Cutthroat Trout | 2,000 | 1.8" | Montana fish & wildlife agency |
| August 14, 1983 | Cutthroat Trout | 2,000 | 1" | Montana fish & wildlife agency |
| August 2, 1983 | Cutthroat Trout | 1,056 | 2" | Montana fish & wildlife agency |
| August 14, 1978 | Cutthroat Trout | 2,000 | 1" | Montana fish & wildlife agency |
| August 24, 1971 | Cutthroat Trout | 1,950 | 1" | Montana fish & wildlife agency |
| August 25, 1970 | Cutthroat Trout | 582 | 3" | Montana fish & wildlife agency |
| August 25, 1970 | Cutthroat Trout | 291 | 3" | Montana fish & wildlife agency |
| July 12, 1966 | Rainbow Trout | 1,076 | 2" | Montana fish & wildlife agency |
| July 13, 1965 | Rainbow Trout | 1,000 | 4" | Montana fish & wildlife agency |
| August 18, 1964 | Rainbow Trout | 2,030 | 3" | Montana fish & wildlife agency |
| August 26, 1963 | Rainbow Trout | 1,000 | 2" | Montana fish & wildlife agency |
| August 28, 1962 | Rainbow Trout | 1,276 | 4" | Montana fish & wildlife agency |
Frequently asked
When was Diamond Lake last stocked?
According to Montana fish & wildlife agency, Diamond Lake was last stocked August 6, 2024 with Cutthroat Trout.
What fish species are stocked in Diamond Lake?
Diamond Lake is stocked with Cutthroat Trout and Rainbow Trout.
What time of year is Diamond Lake stocked?
Diamond Lake is typically stocked in summer, most often in August.
How often is Diamond Lake stocked?
Diamond Lake is stocked intermittently — 33 recorded stockings between 1962 and 2024.
How many fish have been stocked in Diamond Lake?
About 57,913 fish have been stocked in Diamond Lake across 33 recorded events since 1962, per Montana fish & wildlife agency.
What size are the fish stocked in Diamond Lake?
Fish stocked in Diamond Lake average about 1.9 inches, based on the sizes the agency reported.