Rainbow Trout Stocked · 16 plants · last June 9, 2026 Best: dawn, dusk Henry Reservoir fishing
Henry Reservoir fishing has Rainbow Trout on the stocking report. Also recorded: Brook stickleback. It is stocked about once a year since 2011, most often in May and June. Species guides list dawn and dusk as the active times.
- Last stocked
- June 9, 2026
- · Rainbow Trout
- Plants on record
- 16
- Since 2011
- Species stocked
- 1 (+1 also recorded)
- Average size
- 5 in
- Elevation
- 3,805.1 ft
Fish at Henry Reservoir
Around the dates Henry Reservoir is stocked, Open-Meteo's 2016-2025 archive puts mean air temperature at 59.3°F in June, 50.7°F in May, 67.5°F in July. That is air temperature at these coordinates, not water temperature. Open-Meteo
Rainbow Trout Stocked · 16 plants · last June 9, 2026 Best: dawn, dusk Brook stickleback Confirmed present
How Henry Reservoir is stocked
Lake Frances (55.1 mi) was stocked more recently.
Fish stocked in 2011
1,000
Fish stocked in 2012
1,000
Fish stocked in 2013
1,008
Fish stocked in 2014
1,018
Fish stocked in 2015
2,003
Fish stocked in 2016
2,005
Fish stocked in 2017
2,001
Fish stocked in 2018
2,001
Fish stocked in 2019
2,000
Fish stocked in 2020
2,000
Fish stocked in 2021
2,000
Fish stocked in 2022
1,798
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 |
|---|---|---|---|---|
| June 9, 2026 | Rainbow Trout | 2,000 | 5.69 in | report |
| July 1, 2025 | Rainbow Trout | 2,000 | 5.96 in | report |
| June 13, 2024 | Rainbow Trout | 2,000 | 5.18 in | report |
| May 30, 2023 | Rainbow Trout | 2,000 | 4.76 in | report |
| June 28, 2022 | Rainbow Trout | 1,798 | 6.14 in | report |
| June 2, 2021 | Rainbow Trout | 2,000 | 5.04 in | report |
| May 28, 2020 | Rainbow Trout | 2,000 | 3.49 in | report |
| May 28, 2019 | Rainbow Trout | 2,000 | 4.78 in | report |
| June 12, 2018 | Rainbow Trout | 2,001 | 4.66 in | report |
| May 30, 2017 | Rainbow Trout | 2,001 | 4.16 in | report |
| June 2, 2016 | Rainbow Trout | 2,005 | 4.45 in | report |
| May 29, 2015 | Rainbow Trout | 2,003 | 4.27 in | report |
| June 10, 2014 | Rainbow Trout | 1,018 | 5.04 in | report |
| July 2, 2013 | Rainbow Trout | 1,008 | 5.5 in | report |
| June 12, 2012 | Rainbow Trout | 1,000 | 5.5 in | report |
| July 7, 2011 | Rainbow Trout | 1,000 | 4.7 in | report |
Access and facts
- Nearest town
- Whitlash
Private-land reservoir of about 3 to 4 acres reached via a sign-in box: from Whitlash, go south on Hwy 217 for 13 miles, east on Oilmont Hwy (343) about 2 miles, then left on Henry Road through a ranch to the sign-in box. No call-ahead needed, sign in and follow the posted fish-access signs.
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 Henry Reservoir?
Fishing Henry Reservoir usually means Rainbow Trout. All 16 plants on record are Rainbow Trout. Rainbow Trout was last stocked June 9, 2026, averaging 5 in. Brook stickleback is recorded here outside the stocking reports.
When is Henry Reservoir stocked?
Last stocked June 9, 2026. It is stocked about once a year since 2011, most often in May and June.
How big are the fish stocked at Henry Reservoir?
Rainbow Trout stocked at Henry Reservoir average 5 in.
How do you get on Henry Reservoir?
The nearest town is Whitlash. Private-land reservoir of about 3 to 4 acres reached via a sign-in box: from Whitlash, go south on Hwy 217 for 13 miles, east on Oilmont Hwy (343) about 2 miles, then left on Henry Road through a ranch to the sign-in box. No call-ahead needed, sign in and follow the posted fish-access signs.
Which lakes near Henry Reservoir were stocked more recently?
Lake Frances (55.1 mi) was stocked more recently.