Rainbow Trout Stocked · 16 plants · last May 6, 2026 Best: dawn, dusk Boulware Reservoir fishing
Boulware Reservoir fishing has Rainbow Trout on the stocking report. It is stocked about once a year since 2011, most often in April and May. Species guides list dawn and dusk as the active times.
- Last stocked
- May 6, 2026
- · Rainbow Trout
- Plants on record
- 16
- Since 2011
- Species recorded
- 1
- Average size
- 2.6 in
- Elevation
- 3,186.5 ft
Fish at Boulware Reservoir
Around the dates Boulware Reservoir is stocked, Open-Meteo's 2016-2025 archive puts mean air temperature at 55.1°F in May, 42.4°F in April, 66.9°F in June. That is air temperature at these coordinates, not water temperature. Open-Meteo
Rainbow Trout Stocked · 16 plants · last May 6, 2026 Best: dawn, dusk How Boulware Reservoir is stocked
South Sandstone Reservoir (24.4 mi) and Lake Baker (34.3 mi) were stocked more recently. Lake Baker is also stocked with Rainbow Trout.
Fish stocked in 2011
2,000
Fish stocked in 2012
2,000
Fish stocked in 2013
2,000
Fish stocked in 2014
2,000
Fish stocked in 2015
2,000
Fish stocked in 2016
2,000
Fish stocked in 2017
2,000
Fish stocked in 2018
2,000
Fish stocked in 2019
2,000
Fish stocked in 2020
2,000
Fish stocked in 2021
2,000
Fish stocked in 2022
2,000
Fish stocked in 2023
1,000
Fish stocked in 2024
1,000
Fish stocked in 2025
1,000
Fish stocked in 2026
1,000
Stocking history
| Date | Species | Quantity | Avg. length | Source |
|---|---|---|---|---|
| May 6, 2026 | Rainbow Trout | 1,000 | 2.76 in | report |
| May 22, 2025 | Rainbow Trout | 1,000 | 2.39 in | report |
| June 6, 2024 | Rainbow Trout | 1,000 | 2.15 in | report |
| June 6, 2023 | Rainbow Trout | 1,000 | 5.42 in | report |
| June 2, 2022 | Rainbow Trout | 2,000 | 3.45 in | report |
| June 9, 2021 | Rainbow Trout | 2,000 | 2.51 in | report |
| April 22, 2020 | Rainbow Trout | 2,000 | 4.4 in | report |
| May 15, 2019 | Rainbow Trout | 2,000 | 2.14 in | report |
| May 2, 2018 | Rainbow Trout | 2,000 | 2.01 in | report |
| May 8, 2017 | Rainbow Trout | 2,000 | 1.98 in | report |
| June 7, 2016 | Rainbow Trout | 2,000 | 1.9 in | report |
| April 7, 2015 | Rainbow Trout | 2,000 | 1.8 in | report |
| April 15, 2014 | Rainbow Trout | 2,000 | 2 in | report |
| April 12, 2013 | Rainbow Trout | 2,000 | 2 in | report |
| May 23, 2012 | Rainbow Trout | 2,000 | 2.15 in | report |
| April 21, 2011 | Rainbow Trout | 2,000 | 2 in | report |
Access and facts
Advisories, closures, regulations and water conditions change. Check the Montana Fish, Wildlife & Parks before you go.
Nearest lakes
Common questions
What fish are at Boulware Reservoir?
Fishing Boulware Reservoir usually means Rainbow Trout. All 16 plants on record are Rainbow Trout. Rainbow Trout was last stocked May 6, 2026, averaging 2.6 in.
When is Boulware Reservoir stocked?
Last stocked May 6, 2026. It is stocked about once a year since 2011, most often in April and May.
How big are the fish stocked at Boulware Reservoir?
Rainbow Trout stocked at Boulware Reservoir average 2.6 in.
Which lakes near Boulware Reservoir were stocked more recently?
South Sandstone Reservoir (24.4 mi) and Lake Baker (34.3 mi) were stocked more recently. Lake Baker is also stocked with Rainbow Trout.