Largemouth Bass Stocked · 13 plants · last August 12, 2025 Best: dawn, dusk Last stocked August 12, 2025 · avg 1.8 in · 13 plants
Best: dawn, dusk
Largemouth Bass species guideIliad Reservoir fishing
Iliad Reservoir fishing has Rainbow Trout and Largemouth Bass on the stocking report. It is stocked about once a year since 2011, most often in July and August. Species guides list dawn and dusk as the active times.
- Last stocked
- July 7, 2026
- · Rainbow Trout
- Plants on record
- 16
- Since 2011
- Species recorded
- 2
- Average size
- 2.7 in
- Elevation
- 2,931 ft
Fish at Iliad Reservoir
Around the dates Iliad Reservoir is stocked, Open-Meteo's 2016-2025 archive puts mean air temperature at 74.2°F in July, 71.4°F in August, 43.6°F in April. That is air temperature at these coordinates, not water temperature. Open-Meteo
Largemouth Bass Stocked · 13 plants · last August 12, 2025 Best: dawn, dusk 
Rainbow Trout Stocked · 3 plants · last July 7, 2026 Best: dawn, dusk Iliad Reservoir is stocked annually with largemouth bass. The reservoir receives 2000 2" largemouth bass each year, contributing to the fishery. (myfwp.mt.gov, accessed October 5, 2026)
Drafted by AI from the cited sources and checked before publishing.
How Iliad Reservoir is stocked
No plants recorded in 2022.
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
1,500
Fish stocked in 2019
2,000
Fish stocked in 2020
2,000
Fish stocked in 2021
2,000
Fish stocked in 2023
2,000
Fish stocked in 2024
2,000
Fish stocked in 2025
3,000
Fish stocked in 2026
1,000
Stocking history
| Date | Species | Quantity | Avg. length | Source |
|---|---|---|---|---|
| July 7, 2026 | Rainbow Trout | 1,000 | 6.4 in | report |
| August 12, 2025 | Largemouth Bass | 2,000 | 1.86 in | report |
| July 8, 2025 | Rainbow Trout | 1,000 | 8.8 in | report |
| August 13, 2024 | Largemouth Bass | 2,000 | 1.35 in | report |
| July 27, 2023 | Largemouth Bass | 2,000 | 1.8 in | report |
| July 22, 2021 | Largemouth Bass | 2,000 | 1.92 in | report |
| July 15, 2020 | Largemouth Bass | 2,000 | 0.77 in | report |
| July 27, 2019 | Largemouth Bass | 2,000 | 1.55 in | report |
| April 26, 2018 | Largemouth Bass | 1,500 | 2.32 in | report |
| August 2, 2017 | Largemouth Bass | 2,000 | 3.03 in | report |
| August 10, 2016 | Largemouth Bass | 2,000 | 1.62 in | report |
| August 3, 2015 | Largemouth Bass | 2,000 | 1.85 in | report |
| July 17, 2014 | Largemouth Bass | 2,000 | 1.3 in | report |
| July 23, 2013 | Largemouth Bass | 2,000 | 2.3 in | report |
| August 8, 2012 | Largemouth Bass | 2,000 | 1.5 in | report |
| July 18, 2011 | Rainbow Trout | 2,000 | 4.3 in | report |
Access and facts
- Nearest town
- Big Sandy
Small reservoir on private land about 30 miles southeast of Big Sandy: from Big Sandy take Hwy 236/Judith Landing Rd south for 32.3 miles, then bear slightly left onto an unnamed road. FWP says no landowner permission is needed; respect the property.
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 Iliad Reservoir?
Fishing Iliad Reservoir usually means Largemouth Bass: Largemouth Bass accounts for 13 of 16 plants on record, ahead of Rainbow Trout. Largemouth Bass was last stocked August 12, 2025, averaging 1.8 in. Rainbow Trout was last stocked July 7, 2026, averaging 6.5 in.
When is Iliad Reservoir stocked?
Last stocked July 7, 2026. It is stocked about once a year since 2011, most often in July and August. No plants recorded in 2022.
How big are the fish stocked at Iliad Reservoir?
Stocked fish average 2.7 in. Largemouth Bass average 1.8 in. Rainbow Trout average 6.5 in.
How do you get on Iliad Reservoir?
The nearest town is Big Sandy. Small reservoir on private land about 30 miles southeast of Big Sandy: from Big Sandy take Hwy 236/Judith Landing Rd south for 32.3 miles, then bear slightly left onto an unnamed road. FWP says no landowner permission is needed; respect the property.