Seminoe Reservoir fishing

Fishing at Seminoe Reservoir is on a reservoir, stocked with Rainbow Trout and Cutthroat Trout. It is stocked about 2.6 times a year since 2016, most often in October and November. Species guides list dawn and dusk as the active times.

Last stocked

November 1, 2025

Plants on record

26

Since 2016

Species recorded

2

Average size

7.3 in

Surface acres

20,291

Elevation

6,362 ft

Access and facts

Water type
reservoir
Nearest town
Sinclair, WY
Shore access
Yes
Facilities
camping

Seminoe State Park covers 1,639 acres of land on the northwest side of Seminoe Reservoir, with access to 19,000 acres of water at the base of the Seminoe Mountains. The park has two camping areas and supports swimming, fishing, boating, and picnicking.

Sources: water_type , access.shore , shore_notes , nearest_town , facilities , fishing_notes , fishing_notes , watch_outs

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How Seminoe Reservoir is stocked

The first plant of the year usually falls in the first week of October. In 2025 it was October 1, 2025, about when it usually is.

Dome Rock Reservoir (12.9 mi), Pathfinder Reservoir (21.8 mi), Horse Creek (26.6 mi), and Alcova Reservoir (28.8 mi) were stocked more recently. Dome Rock Reservoir is also stocked with Cutthroat Trout, Pathfinder Reservoir is also stocked with Rainbow Trout and Cutthroat Trout, Horse Creek is also stocked with Cutthroat Trout, and Alcova Reservoir is also stocked with Cutthroat Trout and Rainbow Trout.

Fish at Seminoe Reservoir

Fishing Seminoe Reservoir is most likely to be for Rainbow Trout. Rainbow Trout accounts for 20 of 26 plants on record, ahead of Cutthroat Trout.

Rainbow Trout 20 plants
Plants
20 of 26
Last stocked
November 1, 2025
Average length
8.2 in

Seasons and rigs are on the Rainbow Trout guide.

Cutthroat Trout 6 plants
Plants
6 of 26
Last stocked
October 1, 2025
Average length
4.5 in

Seasons and rigs are on the Cutthroat Trout guide.

Fishing Seminoe Reservoir

Seminoe Reservoir is a location where fishing is permitted, and it is also open to boating. The Wyoming Game and Fish Commission actively stocks the reservoir with various fish species. The park's recreational offerings include two camping areas, swimming, fishing, boating, and picnicking.

Sources: en.wikipedia.org , en.wikipedia.org

What to watch for

Anglers should be aware that access to the shoreline is limited and can sometimes be difficult because of the lack of development and its distance from major cities.

Fish stocked per year

  • 164,1842016
  • 84,6462017
  • 171,4552018
  • 196,7322019
  • 170,8202020
  • 163,8532021
  • 180,0222022
  • 208,4442023
  • 176,2332024
  • 178,7772025

Stocking history

Showing 15 of 26 plants Showing 26 plants

Source: Wyoming Game and Fish Department.
Date Species Quantity Avg. length Source
November 1, 2025 Rainbow Trout 82,522 8.6 in report
October 1, 2025 Rainbow Trout 64,905 8.4 in report
October 1, 2025 Cutthroat Trout 31,350 4 in report
November 1, 2024 Rainbow Trout 145,846 8.3 in report
November 1, 2024 Cutthroat Trout 30,387 4.2 in report
November 1, 2023 Rainbow Trout 18,440 7.9 in report
October 1, 2023 Rainbow Trout 91,583 8.5 in report
October 1, 2023 Cutthroat Trout 29,999 3.9 in report
September 1, 2023 Rainbow Trout 41,165 7.6 in report
May 1, 2023 Rainbow Trout 27,257 7 in report
November 1, 2022 Rainbow Trout 120,864 7.6 in report
October 1, 2022 Rainbow Trout 16,006 7.1 in report
October 1, 2022 Cutthroat Trout 33,002 3.7 in report
January 1, 2022 Rainbow Trout 10,150 7.9 in report
November 1, 2021 Rainbow Trout 98,463 8.2 in report
October 1, 2021 Rainbow Trout 32,413 7.4 in report
October 1, 2021 Cutthroat Trout 32,977 3 in report
November 1, 2020 Rainbow Trout 76,566 8.2 in report
October 1, 2020 Rainbow Trout 64,866 8.7 in report
September 1, 2020 Rainbow Trout 29,388 6.9 in report
October 1, 2019 Rainbow Trout 166,684 8.9 in report
June 1, 2019 Cutthroat Trout 30,048 8.4 in report
October 1, 2018 Rainbow Trout 171,455 8.8 in report
October 1, 2017 Rainbow Trout 84,646 9.1 in report
November 1, 2016 Rainbow Trout 13,150 9.2 in report
October 1, 2016 Rainbow Trout 151,034 9.3 in report
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Species stocked here

Depth-by-season, top lures, and bait notes for each species stocked here are on its own species guide, linked above.

Nearest lakes