Rainbow Trout Stocked · 18 plants · last May 5, 2026 Best: dawn, dusk Clarks Reservoir fishing
Clarks Reservoir fishing has Rainbow Trout on the stocking report. Also recorded: Largemouth Bass and Green Sunfish. It is stocked about 1.1 times a year since 2011, most often in April and May. Species guides list dawn and dusk as the active times.
- Last stocked
- May 5, 2026
- · Rainbow Trout
- Plants on record
- 18
- Since 2011
- Species stocked
- 1 (+2 also recorded)
- Average size
- 2.8 in
- Elevation
- 2,813.5 ft
Fish at Clarks Reservoir
Around the dates Clarks Reservoir is stocked, Open-Meteo's 2016-2025 archive puts mean air temperature at 42.9°F in April, 55.6°F in May, 66.9°F in June. That is air temperature at these coordinates, not water temperature. Open-Meteo
Rainbow Trout Stocked · 18 plants · last May 5, 2026 Best: dawn, dusk 
Largemouth Bass Confirmed present Best: dawn, dusk Best: dawn, dusk
Largemouth Bass species guide Green Sunfish Confirmed present
How Clarks Reservoir is stocked
No plants recorded in 2013.
Fish stocked in 2011
4,000
Fish stocked in 2012
4,000
Fish stocked in 2014
6,500
Fish stocked in 2015
6,500
Fish stocked in 2016
4,000
Fish stocked in 2017
4,000
Fish stocked in 2018
4,000
Fish stocked in 2019
4,000
Fish stocked in 2020
2,200
Fish stocked in 2021
1,000
Fish stocked in 2022
2,000
Fish stocked in 2023
2,000
Fish stocked in 2024
2,000
Fish stocked in 2025
2,000
Fish stocked in 2026
2,000
Stocking history
| Date | Species | Quantity | Avg. length | Source |
|---|---|---|---|---|
| May 5, 2026 | Rainbow Trout | 2,000 | 2.76 in | report |
| May 12, 2025 | Rainbow Trout | 2,000 | 2.26 in | report |
| May 22, 2024 | Rainbow Trout | 2,000 | 1.78 in | report |
| May 18, 2023 | Rainbow Trout | 2,000 | 2.27 in | report |
| April 26, 2022 | Rainbow Trout | 2,000 | 2 in | report |
| May 19, 2021 | Rainbow Trout | 1,000 | 4.47 in | report |
| May 8, 2020 | Rainbow Trout | 200 | 8.12 in | report |
| April 21, 2020 | Rainbow Trout | 2,000 | 4.42 in | report |
| May 15, 2019 | Rainbow Trout | 4,000 | 2.15 in | report |
| May 1, 2018 | Rainbow Trout | 4,000 | 2.01 in | report |
| April 11, 2017 | Rainbow Trout | 4,000 | 1.98 in | report |
| April 4, 2016 | Rainbow Trout | 4,000 | 1.9 in | report |
| June 9, 2015 | Rainbow Trout | 4,000 | 4 in | report |
| April 8, 2015 | Rainbow Trout | 2,500 | 1.8 in | report |
| April 18, 2014 | Rainbow Trout | 4,000 | 2 in | report |
| April 16, 2014 | Rainbow Trout | 2,500 | 2 in | report |
| April 26, 2012 | Rainbow Trout | 4,000 | 2.15 in | report |
| April 20, 2011 | Rainbow Trout | 4,000 | 2 in | report |
Access and facts
FWP lists this as a 40-acre pond on BLM land.
Drafted by AI from the cited sources and checked before publishing.
Advisories, closures, regulations and water conditions change. Check the Montana Fish, Wildlife & Parks before you go.
Nearest lakes
Common questions
What fish are at Clarks Reservoir?
Fishing Clarks Reservoir usually means Rainbow Trout. All 18 plants on record are Rainbow Trout. Rainbow Trout was last stocked May 5, 2026, averaging 2.8 in. Largemouth Bass and Green Sunfish are recorded here outside the stocking reports.
When is Clarks Reservoir stocked?
Last stocked May 5, 2026. It is stocked about 1.1 times a year since 2011, most often in April and May. No plants recorded in 2013.
How big are the fish stocked at Clarks Reservoir?
Rainbow Trout stocked at Clarks Reservoir average 2.8 in.
How do you get on Clarks Reservoir?
FWP lists this as a 40-acre pond on BLM land.
Which lakes near Clarks Reservoir were stocked more recently?
Homestead Reservoir (9.8 mi) and Spotted Eagle Lake (35 mi) were stocked more recently. Homestead Reservoir is also stocked with Rainbow Trout and Spotted Eagle Lake is also stocked with Rainbow Trout.