Cutthroat Trout Stocked · 12 plants · last June 2026 Last stocked June 2026 · avg 9.4 in · 12 plants
Cutthroat Trout species guideDuncan Lake fishing
Duncan Lake fishing has Cutthroat Trout on the stocking report. It is stocked about once a year since 2015, most often in June and July.
- Last stocked
- June 2026
- Cutthroat Trout
- Plants on record
- 12
- Since 2015
- Species recorded
- 1
- Average size
- 9.4 in
- Elevation
- 9,202 ft
Fish at Duncan Lake
Cutthroat Trout Stocked · 12 plants · last June 2026 How Duncan Lake is stocked
Calvin Lake (2.2 mi), Owen Creek (6.7 mi), Sawmill Reservoir (7.2 mi), and Sibley Lake (8 mi) were stocked more recently. Calvin Lake is also stocked with Cutthroat Trout, Owen Creek is also stocked with Cutthroat Trout, and Sibley Lake is also stocked with Cutthroat Trout.
Fish stocked in 2015
983
Fish stocked in 2016
901
Fish stocked in 2017
900
Fish stocked in 2018
900
Fish stocked in 2019
812
Fish stocked in 2020
810
Fish stocked in 2021
900
Fish stocked in 2022
899
Fish stocked in 2023
990
Fish stocked in 2024
990
Fish stocked in 2025
899
Fish stocked in 2026
905
Stocking history
| Date | Species | Quantity | Avg. length | Source |
|---|---|---|---|---|
| June 2026 | Cutthroat Trout | 905 | 9.2 in | report |
| July 2025 | Cutthroat Trout | 899 | 10.1 in | report |
| July 2024 | Cutthroat Trout | 990 | 9.5 in | report |
| July 2023 | Cutthroat Trout | 990 | 9.8 in | report |
| July 2022 | Cutthroat Trout | 899 | 10.2 in | report |
| June 2021 | Cutthroat Trout | 900 | 9.4 in | report |
| June 2020 | Cutthroat Trout | 810 | 8.9 in | report |
| July 2019 | Cutthroat Trout | 812 | 8.9 in | report |
| June 2018 | Cutthroat Trout | 900 | 8.4 in | report |
| July 2017 | Cutthroat Trout | 900 | 9.2 in | report |
| June 2016 | Cutthroat Trout | 901 | 9.5 in | report |
| June 2015 | Cutthroat Trout | 983 | 10.1 in | report |
Access and facts
Advisories, closures, regulations and water conditions change. Check the Wyoming Game and Fish Department before you go.
Nearest lakes
Camping near Duncan Lake
Campgrounds within 15 miles of Duncan Lake's mapped point, nearest first: Dead Swede camping (2.9 miles), Tie Flume camping (4.7 miles), Shell Creek camping (7.5 miles), Ranger Creek camping (7.5 miles), and Sibley Lake camping (7.7 miles), each with its own campground page on campgroundsdb.com.
Straight-line distances.
Public land at Duncan Lake
Duncan Lake is inside Bighorn National Forest.
Boundaries from Public Lands DB, part of the same network.
Common questions
What fish are at Duncan Lake?
Fishing Duncan Lake usually means Cutthroat Trout. All 12 plants on record are Cutthroat Trout. Cutthroat Trout was last stocked June 2026, averaging 9.4 in.
When is Duncan Lake stocked?
Last stocked June 2026. It is stocked about once a year since 2015, most often in June and July.
How big are the fish stocked at Duncan Lake?
Cutthroat Trout stocked at Duncan Lake average 9.4 in.
Which lakes near Duncan Lake were stocked more recently?
Calvin Lake (2.2 mi), Owen Creek (6.7 mi), Sawmill Reservoir (7.2 mi), and Sibley Lake (8 mi) were stocked more recently. Calvin Lake is also stocked with Cutthroat Trout, Owen Creek is also stocked with Cutthroat Trout, and Sibley Lake is also stocked with Cutthroat Trout.