Rainbow Trout Stocked · 12 plants · last June 2026 Best: dawn, dusk Park Reservoir fishing
Park Reservoir fishing is stocked with Rainbow Trout, Lake Trout, Splake, and Cutthroat Trout on a reservoir. It is stocked about 2.7 times a year since 2015, most often in June and July. Species guides list dawn and dusk for Rainbow Trout and dawn for Lake Trout.
- Last stocked
- June 2026
- Splake
- Plants on record
- 32
- Since 2015
- Species recorded
- 4
- Average size
- 6.7 in
- Elevation
- 8,259 ft
Fish at Park Reservoir
Rainbow Trout Stocked · 12 plants · last June 2026 Best: dawn, dusk 
Splake Stocked · 12 plants · last June 2026 Last stocked June 2026 · avg 5 in · 12 plants
Splake species guide
Lake Trout Stocked · 6 plants · last August 2024 Best: dawn 
Cutthroat Trout Stocked · 2 plants · last August 2025 Last stocked August 2025 · avg 6.2 in · 2 plants
Cutthroat Trout species guidePark Reservoir is a high-altitude lake tucked away in the Bighorn Mountains of northern Wyoming where rainbow, brown, and brook trout can be caught. The Wyoming Game and Fish Department uses fish from the Story Fish Hatchery to stock Park Reservoir. For anglers, boating on the lake involves non-motorized craft. (en.wikipedia.org, accessed September 22, 2026)
Drafted by AI from the cited sources and checked before publishing.
How Park Reservoir is stocked
Weston Reservoir (3.2 mi), Hope Lake (5 mi), and Sawmill Reservoir (6.2 mi) were stocked more recently. Hope Lake is also stocked with Cutthroat Trout and Sawmill Reservoir is also stocked with Splake.
Fish stocked in 2015
11,922
Fish stocked in 2016
4,999
Fish stocked in 2017
8,890
Fish stocked in 2018
5,183
Fish stocked in 2019
5,069
Fish stocked in 2020
11,752
Fish stocked in 2021
6,715
Fish stocked in 2022
10,471
Fish stocked in 2023
5,173
Fish stocked in 2024
11,130
Fish stocked in 2025
6,775
Fish stocked in 2026
3,797
Stocking history
| Date | Species | Quantity | Avg. length | Source |
|---|---|---|---|---|
| June 2026 | Splake | 1,500 | 5.6 in | report |
| June 2026 | Rainbow Trout | 2,297 | 9 in | report |
| August 2025 | Cutthroat Trout | 2,275 | 3.9 in | report |
| June 2025 | Splake | 2,250 | 5.4 in | report |
| June 2025 | Rainbow Trout | 2,250 | 8.8 in | report |
| August 2024 | Lake Trout | 6,136 | 4.3 in | report |
| June 2024 | Splake | 2,500 | 4.5 in | report |
| June 2024 | Rainbow Trout | 2,494 | 8.6 in | report |
| July 2023 | Rainbow Trout | 2,458 | 9.1 in | report |
| June 2023 | Splake | 2,715 | 4.9 in | report |
| September 2022 | Lake Trout | 5,464 | 4.8 in | report |
| July 2022 | Cutthroat Trout | 2,507 | 8.5 in | report |
| June 2022 | Splake | 2,500 | 4.9 in | report |
| July 2021 | Splake | 3,960 | 5.4 in | report |
| June 2021 | Rainbow Trout | 2,755 | 8.5 in | report |
| June 2020 | Splake | 9,500 | 4.6 in | report |
| June 2020 | Rainbow Trout | 916 | 8.3 in | report |
| May 2020 | Rainbow Trout | 1,336 | 8.5 in | report |
| July 2019 | Rainbow Trout | 2,568 | 9 in | report |
| June 2019 | Splake | 2,501 | 4.3 in | report |
| July 2018 | Rainbow Trout | 2,250 | 9.1 in | report |
| June 2018 | Splake | 2,508 | 4.4 in | report |
| June 2018 | Lake Trout | 425 | 10.7 in | report |
| July 2017 | Splake | 2,498 | 5.4 in | report |
| July 2017 | Rainbow Trout | 2,500 | 8.8 in | report |
| June 2017 | Lake Trout | 3,892 | 7 in | report |
| July 2016 | Splake | 2,500 | 5.1 in | report |
| June 2016 | Rainbow Trout | 2,499 | 8.3 in | report |
| July 2015 | Lake Trout | 1,528 | 6.2 in | report |
| June 2015 | Splake | 2,597 | 5 in | report |
| June 2015 | Lake Trout | 5,547 | 5 in | report |
| June 2015 | Rainbow Trout | 2,250 | 8.5 in | report |
Access and facts
- Water type
- reservoir
- Nearest town
- Sheridan, WY
- Facilities
- camping
About 20 miles south of Sheridan. From Big Horn take WY 335 west to Red Grade Road (County Road 26, a steep unpaved road that becomes Forest Road 26), go about 10 miles past the forest boundary, then take Forest Road 293. Big Goose Cutoff Trail 111 follows the west shore.
Drafted by AI from the cited sources and checked before publishing.
Advisories, closures, regulations and water conditions change. Check the Wyoming Game and Fish Department before you go.
About Park Reservoir
Anglers visiting Park Reservoir should be aware that black bears and mountain lions have also been spotted near the lake. The Forest Service encourages using safe practices due to the presence of these animals. (en.wikipedia.org, accessed September 22, 2026)
Drafted by AI from the cited sources and checked before publishing.
Nearest lakes
Public land at Park Reservoir
Park Reservoir is inside Bighorn National Forest.
Boundaries from Public Lands DB, part of the same network.
Common questions
What fish are at Park Reservoir?
Fishing Park Reservoir is as likely for Rainbow Trout and Splake. Each accounts for 12 of 32 plants on record. Rainbow Trout was last stocked June 2026, averaging 8.7 in. Splake was last stocked June 2026, averaging 5 in. Lake Trout was last stocked August 2024, averaging 6.3 in. Cutthroat Trout was last stocked August 2025, averaging 6.2 in.
When is Park Reservoir stocked?
Last stocked June 2026. It is stocked about 2.7 times a year since 2015, most often in June and July.
How big are the fish stocked at Park Reservoir?
Stocked fish average 6.7 in. Rainbow Trout average 8.7 in. Splake average 5 in. Lake Trout average 6.3 in. Cutthroat Trout average 6.2 in.
How do you get on Park Reservoir?
The nearest town is Sheridan, WY. Facilities include camping. About 20 miles south of Sheridan. From Big Horn take WY 335 west to Red Grade Road (County Road 26, a steep unpaved road that becomes Forest Road 26), go about 10 miles past the forest boundary, then take Forest Road 293. Big Goose Cutoff Trail 111 follows the west shore.
Which lakes near Park Reservoir were stocked more recently?
Weston Reservoir (3.2 mi), Hope Lake (5 mi), and Sawmill Reservoir (6.2 mi) were stocked more recently. Hope Lake is also stocked with Cutthroat Trout and Sawmill Reservoir is also stocked with Splake.