Rainbow Trout Stocked · 5 plants · last October 10, 2025 Best: dawn, dusk Reser Reservoir fishing
Reser Reservoir fishing is stocked with Largemouth Bass, Rainbow Trout, Bluegill, and Tiger Muskie on a reservoir. Also recorded: Black Crappie. It is stocked about 0.8 times a year since 2011, most often in June and August. Species guides list dawn and dusk for Largemouth Bass and Rainbow Trout, dawn, day, and dusk for Bluegill, and dawn, dusk, and night for Black Crappie.
- Last stocked
- July 8, 2026
- · Tiger Muskie
- Plants on record
- 12
- Since 2011
- Species stocked
- 4 (+1 also recorded)
- Average size
- 3.3 in
- Elevation
- 2,635.7 ft
Fish at Reser Reservoir
Around the dates Reser Reservoir is stocked, Open-Meteo's 2016-2025 archive puts mean air temperature at 69.9°F in August, 64.6°F in June, 71.9°F in July, 55.4°F in May. That is air temperature at these coordinates, not water temperature. Open-Meteo
Rainbow Trout Stocked · 5 plants · last October 10, 2025 Best: dawn, dusk 
Largemouth Bass Stocked · 4 plants · last August 12, 2025 Best: dawn, dusk 
Bluegill Stocked · 2 plants · last August 23, 2024 Best: dawn, day, dusk 
Tiger Muskie Stocked · 1 plant · last July 8, 2026 Last stocked July 8, 2026 · avg 5.5 in · 1 plant
Tiger Muskie species guide
Black Crappie Confirmed present Best: dawn, dusk, night Best: dawn, dusk, night
Black Crappie species guideHow Reser Reservoir is stocked
No plants recorded in 8 years between 2011 and 2026.
Fish stocked in 2011
5,000
Fish stocked in 2012
7,034
Fish stocked in 2016
4,000
Fish stocked in 2017
2,000
Fish stocked in 2023
10,000
Fish stocked in 2024
13,750
Fish stocked in 2025
10,500
Fish stocked in 2026
21
Stocking history
| Date | Species | Quantity | Avg. length | Source |
|---|---|---|---|---|
| July 8, 2026 | Tiger Muskie | 21 | 5.5 in | report |
| October 10, 2025 | Rainbow Trout | 5,500 | 8.29 in | report |
| August 12, 2025 | Largemouth Bass | 5,000 | 2.02 in | report |
| August 23, 2024 | Largemouth Bass | 750 | 1.5 in | report |
| August 23, 2024 | Bluegill | 10,000 | 1.07 in | report |
| June 6, 2024 | Rainbow Trout | 3,000 | 3.23 in | report |
| August 15, 2023 | Bluegill | 10,000 | 1.12 in | report |
| June 9, 2017 | Rainbow Trout | 2,000 | 6.87 in | report |
| May 4, 2016 | Rainbow Trout | 4,000 | 2.57 in | report |
| July 25, 2012 | Largemouth Bass | 5,000 | 1.9 in | report |
| June 13, 2012 | Rainbow Trout | 2,034 | 3.88 in | report |
| July 28, 2011 | Largemouth Bass | 5,000 | 1.5 in | report |
Access and facts
- Water type
- reservoir
- Nearest town
- Chinook
BLM reservoir of about 24 acres northwest of Chinook. FWP directions: from Chinook go west 7.6 miles on US 2, north 8.4 miles on Highland Rd, right 2 miles on W Fork Rd, left 1.3 miles on Reser Rd, then left on a two-track to the reservoir.
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 Reser Reservoir?
Fishing Reser Reservoir usually means Rainbow Trout: Rainbow Trout accounts for 5 of 12 plants on record, ahead of Largemouth Bass and 2 more. Rainbow Trout was last stocked October 10, 2025, averaging 5 in. Largemouth Bass was last stocked August 12, 2025, averaging 1.7 in. Bluegill was last stocked August 23, 2024, averaging 1.1 in. Tiger Muskie was last stocked July 8, 2026, averaging 5.5 in. Black Crappie is recorded here outside the stocking reports.
When is Reser Reservoir stocked?
Last stocked July 8, 2026. It is stocked about 0.8 times a year since 2011, most often in June and August. No plants recorded in 8 years between 2011 and 2026.
How big are the fish stocked at Reser Reservoir?
Stocked fish average 3.3 in. Rainbow Trout average 5 in. Largemouth Bass average 1.7 in. Bluegill average 1.1 in. Tiger Muskie average 5.5 in.
How do you get on Reser Reservoir?
The nearest town is Chinook. BLM reservoir of about 24 acres northwest of Chinook. FWP directions: from Chinook go west 7.6 miles on US 2, north 8.4 miles on Highland Rd, right 2 miles on W Fork Rd, left 1.3 miles on Reser Rd, then left on a two-track to the reservoir.