Flinstone Reservoir Fish Stocking
Montana · 2013–2025 on record
According to Montana fish & wildlife agency, Flinstone Reservoir was last stocked May 29, 2025 with Rainbow Trout. Flinstone Reservoir has 14 stocking records on file, spanning 2013–2025, with about 14,231 fish stocked over that period.
When Flinstone Reservoir is stocked
Flinstone Reservoir is typically stocked in summer, most often in May — 6 stocking events in that peak month.
Nearby stocked waters
Other stocked waters near Flinstone Reservoir, freshest activity first.
Hump Lake
0 mi3 species · 22 records
Last stocked September 2025
PR 035
3 mi2 species · 2 records
Last stocked September 2025
Paleface Reservoir
8 mi4 species · 18 records
Last stocked September 2025
Taint Reservoir
10 mi3 species · 47 records
Last stocked September 2025
Whiteface Reservoir
10 mi2 species · 7 records
Last stocked August 2025
Current Reservoir
3 mi1 species · 56 records
Last stocked May 2025
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| May 29, 2025 | Rainbow Trout | 1,000 | 7.03" | Montana fish & wildlife agency |
| July 16, 2024 | Rainbow Trout | 1,000 | 7.24" | Montana fish & wildlife agency |
| July 19, 2023 | Rainbow Trout | 1,029 | 6.7" | Montana fish & wildlife agency |
| May 18, 2022 | Rainbow Trout | 1,000 | 7.13" | Montana fish & wildlife agency |
| July 26, 2021 | Largemouth Bass | 2,000 | 1.88" | Montana fish & wildlife agency |
| May 17, 2021 | Rainbow Trout | 1,000 | 6.83" | Montana fish & wildlife agency |
| May 19, 2020 | Rainbow Trout | 1,004 | 7.07" | Montana fish & wildlife agency |
| June 6, 2019 | Rainbow Trout | 1,000 | 7.33" | Montana fish & wildlife agency |
Show 6 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| June 18, 2018 | Rainbow Trout | 1,100 | 6.04" | Montana fish & wildlife agency |
| May 3, 2018 | Rainbow Trout | 1,000 | 2.47" | Montana fish & wildlife agency |
| June 5, 2017 | Rainbow Trout | 1,000 | 6.87" | Montana fish & wildlife agency |
| May 12, 2015 | Rainbow Trout | 1,002 | 7.58" | Montana fish & wildlife agency |
| June 28, 2013 | Rainbow Trout | 496 | 7.48" | Montana fish & wildlife agency |
| June 28, 2013 | Rainbow Trout | 600 | 3.41" | Montana fish & wildlife agency |
Frequently asked
When was Flinstone Reservoir last stocked?
According to Montana fish & wildlife agency, Flinstone Reservoir was last stocked May 29, 2025 with Rainbow Trout.
What fish species are stocked in Flinstone Reservoir?
Flinstone Reservoir is stocked with Rainbow Trout and Largemouth Bass.
What time of year is Flinstone Reservoir stocked?
Flinstone Reservoir is typically stocked in summer, most often in May.
How often is Flinstone Reservoir stocked?
Flinstone Reservoir is stocked intermittently — 14 recorded stockings between 2013 and 2025.
How many fish have been stocked in Flinstone Reservoir?
About 14,231 fish have been stocked in Flinstone Reservoir across 14 recorded events since 2013, per Montana fish & wildlife agency.
What size are the fish stocked in Flinstone Reservoir?
Fish stocked in Flinstone Reservoir average about 6.1 inches, based on the sizes the agency reported.